The elements of a group have the same number of
in their
shell.
A outer
B. electrons
c.inner
D. protons

Answers

Answer 1

Answer:

B

Explanation:

electron.elements of the same group have the same electrons


Related Questions

Please hurry i really need it fast

Answers

Yeah it’s c
.............

Am i gay?
I cant tell so i may need a third party to tell me whether i like men or not

Answers

Answer:

ok

Explanation: whatever you think

dang umm do u like men or women

Our _____________ is affected by physical environment.
a.
pitch
b.
touch ethic
c.
behavior
d.
verbal communication

Answers

Answer:

is behavior

Explanation:

becuase behavior can be affected on the eviroment we are in

Our behavior is affected by physical environment.

What is physical environment?

Individuals live, study, work, even play in their external surroundings. People's physical environments are influenced by the air those who breathe, the water they consume, the homes they reside in, and the vehicles they need to get to school and work.

What is behavior?

The way someone acts was referred to as their behavior. That's what a person must do to make things happen, modify something, and maintain the status quo.

Our behavior is affected by physical environment.

Therefore, the correct answer will be option (c)

To know more about physical environment.

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The mass ratio of hydrogen to oxygen in water (formula H20) is 0.126 g hydrogen for every 1 g of oxygen. In another compound of hydrogen and oxygen called hydrogen peroxide, the mass ratio of hydrogen to oxygen is 0.063 g hydrogen for every 1 g of oxygen. What is a possible formula of hydrogen peroxide?​

Answers

Answer: H2O2

Explanation:

What are the criteria for purity

Answers

Answer:

melting and boiling points

Explanation:

The technique for determination of melting and boiling points will also be described in this unit. Pure solid and liquid compounds possess sharp melting and boiling points. Therefore, melting and boiling points of a compound

what are the products of
C6 H12 + 9O2
?

Answers

carbon dioxide and water

Why is it important for a community to have many different organism living together? ​

Answers

Answer:

Individual organisms live together in an ecosystem and depend on one another. In fact, they have many different types of interactions with each other, and many of these interactions are critical for their survival. ... One category of interactions describes the different ways organisms obtain their food and energy.

Place following elements in order from largest to smallest atomic radius. S, P, Na, Rb, Cl

Answers

Answer:

Rb>Na>P>S>Cl

Explanation:

In a group from up to down the atomic radius increases

In a row from left to right the atomic radius decreases.

The speed limit on a certain highway is 80 kilometers per hour. What is this speed in centimeters per second?

Answers

The speed : 2222.2 cm/s

Further explanation

Velocity has magnitude and direction  

Can be formulated :

[tex]\tt \boxed{\bold{v=\dfrac{d}{t}}}[/tex]

v= velocity, m/s

d=distance=m

t=time,s

convert from km/h to cm/s :

[tex]\tt =80\dfrac{km}{h}\times \dfrac{10^5~cm}{1~km}\times \dfrac{1~h}{3600~s}\\\\=2222.2~\dfrac{cm}{s}[/tex]

The atomic mass unit is based on which element?

Answers

Carbon-12

Carbon-12 is the reference for all atomic mass calculations. An atomic mass unit is defined as a mass equal to one twelfth the mass of an atom of carbon-12.

question.

Which of the following events must occur at point 6 in order to transform sedimentary rock into igneous rock?

A
Shifting tectonic plates push the sedimentary rock toward the poles, where it freezes and hardens into igneous rock.

B
Extreme winds and storms weather the sedimentary rock into particles, which collect in rivers and are compacted into igneous rock.

C
Rising oceans erode mountains of sedimentary rock into particles, which sink and get compacted into layers that form igneous rock.

D
Tectonic plates push against each other, driving sedimentary rock under Earth's surface, where it melts into magma and turns into igneous rock as it cools

Answers

Answer:

I belive the answer is D

What do the colors represent?

Answers

Answer:

Dark Blue: Symbolizes integrity, knowledge, power, and seriousness. Blue: Peace, tranquility, cold, calm, stability, harmony, unity, trust, truth, confidence, conservatism, security, cleanliness, order, loyalty, sky, water, technology, depression, appetite suppressant.

A bond in which two atoms share a pair of electrons is a ionic bond or covalent bond or metallic bond?

Answers

Answer:

Covalent

Explanation:

Ionic gives or takes electrons

Metallic isn't really a "type" of bond

Ung number three po plssssssssssss.

Answers

the answer is C - Oil

Answer:

For #3 I believe it's A

Explanation:

It can't be changed INTO a solid because it already is one.

Hope this helps!

why is the chemical reaction between nitric acid and sodium hydroxide called a neutralization reaction?​

Answers

Answer:

Because nitric acid is acidic in nature and sodium hydroxide is basic in nature so when acid and base react they become neutral.

The rock was white and black speckled with a density of 2.6 g/mL. Physical or chemical property?

Answers

Answer:

Chemical

Explanation:

Phillip throws a basketball up in the air and through a hoop. Because the ball is acted on by the force of gravity, the ball will —

Answers

Answer:

Fal down to the flour

Explanation:

Because of gravity their is weight that weight keeps us down to earth everything has weight even a leaf not only weight but the atmosphere is like a wall that keeps us safe from all the stuff in space.

Which of the following is an oxidation-reduction reaction? ZnS(s) + 2O2(g) ZnSO4(s) CaO(s) + H2O(l) Ca(OH)2(s) 6Li2O(s) + P4O10(g) 4Li3PO4(s) SO2(g) + H2O(l) H2SO3(aq)

Answers

ZnS(s) + 2O₂(g) ⇒ZnSO₄(s)

Further explanation

The oxidation-reduction reaction or abbreviated as Redox is a chemical reaction in which there is a change in oxidation number

Oxidation is an increase in oxidation number, while reduction is a decrease in oxidation number.

Reaction

ZnS(s) + 2O₂(g) ⇒ZnSO₄(s)

S²⁻ (-2 in ZnS) to S⁺⁶(+6 in ZnSO₄) ⇒ oxidation

O₂(0 in O₂) to O⁻²(-2 in ZnSO₄)⇒ reduction

Answer:

A. ZnS(s) + 2O2(g) Right arrow. ZnSO4(s)

Explanation:

How does solubility impact the temperature?

Answers

Answer:

For many solids dissolved in liquid water, the solubility increases with temperature. The increase in kinetic energy that comes with higher temperatures allows the solvent molecules to more effectively break apart the solute molecules that are held together by intermolecular attractions.

Explanation:

Make sure to edit so you do get copy-writed

what is a true statement about the atom's nucleus?

Answers

That it’s the power house and only hold protons and neutrons.

answer asap correctly for brainleist and pls give the right answer thx!

Answers

A

Explanation:

B is wrong because it talks about speed, C is wrong because it talks about direction, and D is wrong because it talks about the amount of tilt. A is correct because it's the only one that talks about the time of the orbit and the time of orbit determines the length of a year. :)

Use the reaction given below to solve the problem that follows: Calculate the mass in grams of aluminum metal required to react with 115 g of oxygen
gas
grams Al
4 Al + 3O2 --> 2 Al2O3
**Your answer should be written as XXX

Answers

Answer:

4Al + 3O2 --> Al2O3

Step 1; fi

Complete the sentence by using the drop-down menus
to choose the words that describe the image most
accurately
To make an omelet, first
the egg and then let
the insides slide
into the bowl.

Answers

Answer:

1st one: crack

2nd: carefully

Explanation:

Answer:

Crack and then carefully

Explanation:

I just did it in edgen 2020

What process is required for minerals to crystallize from magma

Answers

Answer:

Chemical differentiation

Explanation:

The process by which minerals crystallize out of magma is termed chemical differentiation. Some times, it is referred to as magmatic differentiation.

Minerals have different properties and at certain environment, it comfortable for the settle out of magma. Some minerals can crystallize out at very high temperature. Some will form at medium temperature whereas, some are low temperature minerals. Based on the properties of the minerals in a melt, a minerals will differentiate at various temperature and pressure regimes.

please answer these questions!

Answers

Explanation:

1)

Equation -

Propane + oxygen → carbon dioxide + water

C₃H₈ + 5O₂ → 3CO₂ + 4H₂O

Here,

Products are -

Carbon dioxide (CO₂) Water (H₂O)

2)

Equation -

AgNO₃ (aq.) + NaCl (s) → AgCl ↓ + NaNO₃ (aq.)

Double Displacement reaction

Dry ice goes directly from the solid phase to the gas phase. What phase
change is being represented? *
O Solid
O Sublimination
O Condensation
O
Freezing

Answers

Answer:

Sublimation is being represented.

Sublimation is the transition from solid to gas state

Hope this helps! Have a good day!

Answer:

Sublimation

Explanation:

Sublimation is when a solid turns into a gas

What are some of the challenges and reasons for
sending people back to the Moon by 2024?

Answers

Answer: Prob to see if anything new has came or has happened

Explanation:

Answer:

NASA Publishes Artemis Plan to Land First Woman, Next Man on Moon in 2024. ... We're going back to the Moon for scientific discovery, economic benefits, and inspiration for a new a generation of explorers. As we build up a sustainable presence, we're also building momentum toward those first human steps on the Red Planet.

Explanation:

If I have 13 protons and 12 electrons what is my charge?

Answers

Answer:

The charge would be +1

Explanation:

Protons have a positive charge while electrons have a negative charge. Therefore, it's simple subtraction. In every case, subtract the number of electrons from the number of protons.

13 - 12 = 1

Therefore the charge is +1

Here's one more example:

If the element chromium (Cr) has 24 protons and 28 electrons, what is its charge? Remember that protons have a positive charge and electrons have a negative charge.

24 - 28 = -4

Charge = -4

It would be written as followed when associating charge with a specific element: [tex]Cr^{-4}[/tex]

If an element has a neutral charge, that means the number of protons and neutrons are the same. If you look at the periodic table of elements, all of the elements listed have a neutral charge. The 0 isn't showed in the corner because it isn't necessary.

Bonus Information:

This isn't related to your question, but I've come across confusions when it comes to particles. Remember that protons (+) and electrons (-) are the only particles that have a charge, therefore, as it says in it's name, neutrons are neutral or have no charge. Neutrons do not contribute to charge, but they do contribute to the mass of an atom. So the number of protons added to the number of neutrons equate to the mass of an atom. Electrons have mass, but it's so miniscule and insignificant that it doesn't even contribute to the overall mass of the atom, so don't count those.

Remember:

C = p - e

M = p + n

C = atomic charge, M = atomic mass, p =protons, n = neutrons, e = electrons

I hope this helps!

im in the middle of a chem test and i literally have no clue what is happening

Answers

Answer:

No question so I'm just taking the points

Branches are thrown into a wood chipper and mulch is created. Chemical change or physical change?

Answers

Definitely, a physical change.

What are chemical and physical changes?

A chemical change is a type of change involving the chemical composition of substances. The chemical composition changes completely and lost its old identity.

Chemical changes are unlike physical changes. The latter involves changes to the physical characteristics of substances. The changes do not get to the chemical level.

Thus, chemical changes are ordinarily not reversible but physical changes can be reversed.

When branches are thrown into a wood chipper and mulch is created, a physical change has taken place because the branches can still be recovered from the mulch.

A mulch is just a material layer placed on soils to conserve moisture.

More on physical changes can be found here: https://brainly.com/question/17931044

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