Which atom is a carbon atom?

A
B
C

Which Atom Is A Carbon Atom?ABC

Answers

Answer 1
B
Hope I helped :) shajs

Related Questions

If a neutral atom with 88 electrons undergoes 2 rounds of beta minus decay, what will be the new element?

Answers

Answer:

The new element will be thorium-226 (²²⁶Th).

Explanation:

The beta decay is given by:

[tex] ^{A}_{Z}X \rightarrow ^{A}_{Z+1}Y + \beta^{-} + \bar{\nu_{e}} [/tex]

Where:

A: is the mass number

Z: is the number of protons  

β⁻: is a beta particle = electron

[tex]\bar{\nu_{e}}[/tex]: is an antineutrino

The neutral atom has 88 electrons, so:

[tex] e^{-} = 88 = Z [/tex]

Hence the element is radium (Ra), it has A = 226.

If Ra undergoes 2 rounds of beta minus decay, we have:

[tex] ^{226}_{88}Ra \rightarrow ^{226}_{89}Ac + \beta^{-} + \bar{\nu_{e}} [/tex]    

[tex] ^{226}_{89}Ac \rightarrow ^{226}_{90}Th + \beta^{-} + \bar{\nu_{e}} [/tex]

Therefore, if a neutral atom with 88 electrons undergoes 2 rounds of beta minus decay the new element will be thorium-226 (²²⁶Th).

I hope it helps you!    

helppp mehhh thanks:))

Answers

Answer:

natural gas

Explanation:

your welcomeee

Use the periodic table to write the electron configuration of selenium (Se). s s p d 1 2 3 4 6 10

Answers

Answer: 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^4

Explanation:

I suggest looking at the electron configuration chart, it has really helped me a lot :)

Answer:

[Ar] 3d10 4s2 4p4

Explanation:

A 55.0 kg runner who weights 539.0 N is accelerating at 3.2 m/s. After 2 seconds, she reaches a speed of 6.4 m/s. What is her momentum at this point?

Answers

Answer:

352kg.m/s

Explanation:

Momentum is the product of mass and velocity. Momentum is a vector quantity. Momentum is the measurement of an object in motion thereby showing how much of the object is in motion. The formula of momentum (p) is given as:

p = mass * velocity

Given that the runner has mass of 55 kg, the momentum at a speed of 6.4 m/s is:

Momentum = mass * velocity = 55 * 6.4 = 352kg.m/s

Answer:352

Explanation:

benefits and drawbacks of synthetic fuels ?​

Answers

Answer:

OK hear is your answer

Explanation:

Advantages of this process are that dissolution and oil upgrading are taking place in the single reactor, products have high H:C ratio, and a fast reaction time, while the main disadvantages are high gas yield, high hydrogen consumption, and limitation of oil usage only as a boiler oil because of impurities.

can anyone help me with this problem :)
The formula of ascorbic acid (vitamin C) is C6H8O6 The recommended dose is 60.0 mg. How many moles are in this dose

Answers

Answer:

0.0003 moles

Explanation:

MgC6H8O6 = (60.0mg/1)(1 mol mg/176000mg)

4) How does an atom have a charge of -3?

Answers

Answer:

When the electrons hit the atoms in the chamber, they cause some of the electrons in the atoms to be stripped or knocked away. ... When one or more electrons is knocked off of an atom, it becomes positively charged. It is now an positive ion. A negative ion can be made by adding an electron to an atom.

Explanation:

Which force is stronger? 40 N → or ← 4.218 Newtons

Answers

Answer:

40 Newtons

Explanation:

4.218 is not even close to 40 N.

The 40 N force must be the larger force because 40 has a larger magnitude than the 4.218.

Magnitude of a force?

The term magnitude has to do with how large the force is. The larger the force the larger the value that is mentioned.

This implies that the 40 N force must be the larger force because 40 has a larger magnitude than the 4.218.

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What is the unit of temperature on a solubility graph

Answers

Answer:

Khfxgkhxxkfhkugxxiufxhfixiyf

Explanation:

Xlufy8fxtukuxfxtu

Answer: Celsius

Explanation:

How long does it take to melt a single brick, how many mins?

Answers

Answer:

it depends upon the material used to make the brick

74 minutes I believe, really shot in the dark there

A student cut out a spiral shape from a piece of tissue paper and hung it from a string over a light bulb. Nothing happened. Next the student turned on the light. After a few seconds, the spiral began to turn above the light. Which of these best explains what happened?​

Answers

Answer:

See explanation

Explanation:

Initially, when the paper is hung over the light bulb, we observe that nothing happens at all.

As time goes on, air surrounding the lamp begins to heat up. Remember that hot air is lighter and less dense than cold air.  Air surrounding the lamp which has now become hotter and less dense rises and pushes on the spiral. This causes the spiral to begin to spin.

How do the products of chemical reactions compare to their reactants?

Question 5 options:

The products often have completely different properties than the reactants.


The products usually weigh more than the reactants.


The products usually have more atoms than the reactants.


The products are usually more toxic than the reactants.

Answers

Answer: The products usually weigh more than the reactants.

Explanation:

Answer:

A

Explanation:

i just took the k12 test

Which mineral can be found in the rocks phyllite, sandstone, and granite?
1.
quartz
2.
pyroxene
3.
gypsum
4.
calcite
Sub

Answers

Answer:

1 quartz

Explanation:

pls tell me if I'm wrong

Quartz can be found in the rocks phyllite, sandstone, and granite.

Hence, Option (1) is correct answer.

What is Rocks phyllite ?

Rock phyllite are composed of mainly quartz, mica and chlorites. It is a soft and durable rock.

What is Sandstone ?

Sandstone are composed of mainly quartz, feldspar and lithic fragments. It is a sedimentary rock.

What is Granite ?

Granite are composed of three minerals mainly that is quartz, plagioclase and potassium feldspar and usually carry mica or hornblende. It is a light coloured igneous rock.

Thus from above conclusion we can say that Quartz can be found in the rocks phyllite, sandstone, and granite.

Hence, Option (1) is correct answer.

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The reaction for the combustion of acetylene is shown. Explain why this reaction is a redox reaction by identifying the oxidation numbers that change, what is oxidized, what is reduced, and what happens to the electrons during the reaction. 2C2H2 + 5O2 → 4CO2 + 2H2O

Answers

Answer:

2 C2H2 (g) + 5 O2 (g) → 4 CO2 (g) + 2 H2O (l)

Explanation:

Redox reaction: In this type of reaction, oxidation and reduction reaction occurs simultaneously in same chemical reaction.

2C_2H_2+5O_2\rightarrow 4CO_2 + 2H_2O2C

2

H

2

+5O

2

→4CO

2

+2H

2

O

This reaction is a redox reaction :

Removal of hydrogen or addition of oxygen is termed as oxidation. in above reaction, removal hydrogen from acetylene gives carbon-dioxide.

Removal of oxygen or addition of hydrogen is termed as reduction. in above reaction, removal of one oxygen atom from oxygen molecule with addition of two hydrogen atoms gives water

The oxidation number of carbon in acetylene is -2.

The oxidation number of carbon in carbon-dioxide= +4

Oxidation number of carbon increases after the reaction which means that carbon is getting oxidized.

The oxidation number of oxygen in oxygen gas = 0

The oxidation number of oxygen in water = -2

Oxidation number of oxygen decreases after the reaction which means that oxygen is getting reduced.

The electrons released during oxidation are transferred to the species which are undergoing reduction reaction.

Answer:

Just put this, or something like it:

The oxidation number of carbon changes from -1 to +4.

The oxidation number of oxygen changes from 0 to -2.

Carbon is oxidized.

Oxygen is reduced.

Electrons are transferred from carbon to oxygen.

Explanation:

25 pts
3. Describe the subatomic structure of the nucleus, including the structure of each nucleon. Draw a picture.
Describe the forces that hold the nucleus together and draw them on your diagram.
Explain how beta emission works

Answers

Answer:

2 circles one proton and one nucleon.draw quarks within each. strong nuclear force within protons between quarks and residual strong force between proton and nucleon (up,up,down in proton)

Explanation:

How many molecules does it take to form 3.00 moles of Silver nitrite (AgNO2)?

Answers

Answer:

1.806 × 10²⁴ molecules

Explanation:

The number of molecules of silver nitrite can be found by using the formula

N = n × L

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

N = 3 × 6.02 × 10²³

We have the final answer as

1.806 × 10²⁴ molecules

Hope this helps you

7. Think and discuss: As you move down a group, you will recall that the radius increases.

Why do you think an increase in atomic radius would result in a lower

ionization energy?

8. Think and discuss: As you move across a period, you will recall that the radius decreases.

Why do you think a decrease in atomic radius would result in a greater ionization energy?

9. Predict: Electron affinity (EA) refers to the energy released when an electron is added to

an atom. This release of energy is always expressed as a negative value. The greater the

magnitude of the negative value, the greater the attraction for electrons. (An EA of -100

kJ/mol would indicate a stronger attraction for electrons than an EA of -50 kJ/mol.)

How do you think the size of an atom will affect its ability to attract additional electrons?

Answers

Answer:

See explanation

Explanation:

7. As we move down the group more shells are added. The addition of more shells means that the atom becomes larger and the outermost electron is now at greater distance from the nucleus and screening effect becomes very important. This greater screening effect of the inner electron reduces the magnitude of effective nuclear charge on the outermost electron thereby lowering the ionization energy.

8. As we move across the period, the effective nuclear charge increases without a corresponding increase in the number of shells. As a result of this, the outermost electron becomes more tightly bound to the nucleus as the atom becomes smaller and atomic radius decreases causing a rise in the ionization energy from left to right across a period.

9. Actually, the smaller an atom is the greater its electron affinity. The smaller the atom is, the more the outermost shell is drawn closer to the nucleus and this means that the atom is better able to attract electrons to itself.

It is due to the size of atom which varies its force of attraction.

As you move down a group, the atomic radius increases due to addition of more number of shells in an atom.  This increase in atomic radius would result in a lower  ionization energy because the valance electron is farther from the nucleus and held with weak attractive force so less energy is required to remove it.

While on the other hand, as we move from left to right in a periodic table the atomic radius decreases due to addition of more electrons which shrinks the atom and brought the valance shell closer to the nucleus so it becomes harder to remove an electron because the nucleus held these electrons very tightly.

The size of an atom will affect its ability to attract additional electrons because of its force of attraction. Atoms with small radius has more ability to attract electrons due to higher force of attraction as compared to higher atomic radius atoms.

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Why does a can of diet cola float in water but a can of regular cola does not

Answers

Answer:

because there more acid in diet cola

Help!!
What is the concentration of an unknown with an absorbance of 0.4 using the plot?

Answers

Answer:3,4,1,2

Explanation:

hope this helped

I need the “why” also. Will mark brainliest

Answers

BeO
- the charges of the elements need to balance
- Be has 2+ charge
- O has 2- charge
- so the charges will cancel out and balance


1. If a mixture is NOT evenly distributed then it is a

Answers

Answer:

It would be a heterogeneous mixture.

Which one does Temperature measure

A. how many particles there are.
B. how fast the particles are moving.
C. how tightly packed the particles are.
D. how large the particles are.

Answers

Answer:

B. how fast the particles are moving

Explanation:

Temperature measures the average kinetic energy of system as result of the thermal - heat energy present in the reaction or a body.

Often times, temperature is the degree of hotness or coldness of a body and this translates to an increase or decrease in the molecular speed.

Number of particles in a body is the mass of the body. How tightly packed the particles are corresponds to the density of the body.

40.0 grams of liquid at its boiling point is
changed to vapor by the addition of 12800
joules of heat. What is the heat of
vaporization of the substance?

Answers

Answer:

320J/g

Explanation:

Given parameters:

Mass of the liquid  = 40g

Amount of heat added  = 12800J

Unknown:

The heat of vaporization = ?

Solution:

The heat of vaporization can be related to heat added by the expression below;

           H  = mL

H is the heat added

m is the mass

L is the heat of vaporization

 Insert the parameters and solve;

          12800 = 40 x L

            L = [tex]\frac{12800}{40}[/tex]   = 320J/g

What is the molarity of a solution prepared by diluting 43.72 ml of 1.005 M aqueous K2CR2O7 to 500 ml

Answers

Answer:

43.72

Explanation:

that is the answer hope u liked it and I did this already along time ago

The molarity of the solution will be "0.088 M".

Given values are:

Volume,

[tex]V_1 = 43.72 \ ml[/tex][tex]V_2 = 500 \ ml[/tex]

Molarity,

[tex]M_1 = 1.005 \ M[/tex][tex]M_2 =?[/tex]

By using the Dilution principle, we get

→ [tex]M_2 = \frac{M_1 V_1}{V_2}[/tex]

By substituting the given values, we get

→       [tex]=\frac{1.005\times 43.72}{500}[/tex]

→       [tex]= \frac{ 43.9586}{500}[/tex]

→       [tex]= 0.088 \ M[/tex]

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PLEASE HELP A car burns gasoline to create hot air gas that expands to move the pistons in the engine, which causes the car to be able to move.

What energy transformations occur from the fuel to the movement of the car?



Thermal to mechanical

Thermal to chemical to mechanical

Chemical to thermal to mechanical

Chemical to electrical

Answers

Answer:

Chemical to thermal to mechanical

Explanation:

It is because gasoline is chemical energy which turns to thermal. Because it said hot gas which is thermal energy. Then it turns to mechanical for the car to even move.

All seeing eyes:

i know your answer it is the third one (C, chemical to thermal to mechanical)

Explanation:

my all seeing eyes know all the answers

I need help on this please

Answers

Answer:

The answer is c

Explanation:c

Help! I am in a hurry! Will get brainliest if correct!

Answers

Answer:

Distillation

Explanation:

that's it

If 10 cubic centimeters of a liquid has a mass of
70 grams, what is its density?
A. 0.7 g/cm3
B. 7 g/cm3
C. 70 g/cm3
D. 700 g/cm

Answers

Answer:

V = 10 m³

m = 70 grams

density = ....?

density = m/v

= 70/10

= 7 g/cm³ (B)

Which is NOT a shape of epithelial cells?
A.Cuboidal
B.Columbar
C.circular
D.squamous

Answers

B.should be *columnar, but C.Circular is the answer

Do nonmetal gases have a lot or a little kinetic energy?
Yes
No
Maybe

Answers

Answer:

No they do not have a lot of kinetic energy

I’m pretty sure the answer is no
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