What do the rows of the periodic table indicate?

Answers

Answer 1

Answer:

The rows on the periodic table are called periods. All the elements in a period have valence electrons in the same shell. The number of valence electrons increases from left to right in the period. When the shell is full, a new row is started and the process repeats.

Explanation:

hope this helps..


Related Questions

What element has 4 energy levels and 8 valence electrons?

Answers

Noble gasses I’m pretty sure

The element having 8 valence electrons and 4 energy levels is krypton, (Kr)  it is a noble gas included in 18th group.

What is krypton?

Krypton is 36th element in periodic table with main shell electronic configuration, K= 2, L= 8, M= 18 and N= 8 where, K, L, M and N are energy levels.

Krypton is in the group noble gases also called inert gases. The group members of Kr are, Helium, argon and xenon. Thus krypton is the element with 4 energy levels and 8 valence electrons.

To know more about Kr, refer the link below:

https://brainly.com/question/14535867

#SPJ5

if a star were 36 trillion miles from the earth it would be about ___ light years from the earth​

Answers

Answer:

6.12light years

Explanation:

Given parameters:

Distance of star from earth  = 36 trillion miles

Unknown:

Distance in light years  = ?

Solution:

A light year is the distance light travels in one year.

  1 mile  = 1.7 x 10⁻¹³ light years

 36 trillion miles  = 36 x 10¹² x 1.7 x 10⁻¹³ light years

                             = 6.12light years

I need some help with this

Answers

newton’s first law of motion is also known as the law of inertia

What product(s) are formed during this chemical reaction? (Will be two answers)

B(NO3)3 + KBr rightwards arrow


K(Br)3


KNO3


Br3(NO3)2


K3NO4


B(NO3)K


B3K3


BBr3


BK

Answers

Answer:

BK. BK. BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK

(02.05 LC)
Which type of heat transfer takes place when objects touch each other? (3 points)
A Conduction

B Convection

C Radiation

D Temperature

Answers

Answer: That is Conduction

Explanation:

:)

Conduction

reason: Conduction is the transfer of heat through contact between items.

(Brainliest, please?)

What happens to light waves as they enter the Earth's atmosphere?

Answers

Light waves slow down as they enter the Earth's atmosphere from space. Light waves slow down as they enter and then speed back up once they reach Earth.

There are several different models that represent compounds. One type of model is shown.

3 C's connected in a line by 2 black lines. The first and third C's each have 3 H's connected to them by a single black line each. The middle C has 2 H's connected to it by a single black line each.
What type of model is shown?

Answers

A) structural formula

On edge

Answer:

A

Explanation:

what is the electron configuration of a transition metal in block d

Answers

Answer:

U gotta check ur book for that or Google maybe..

When a hammer strikes a nail, the nail

Answers

Answer:

The nail will exert a force of equal strength in the opposite direction on the first object.

Explanation:

"According to Newton's third law of motion, when a hammer strikes and exerts force on a nail, the nail exerts a force of equal strength in the opposite direction on the first object."

Basically, if you push someone, they will fall over right?

Still, you will feel the force as you push them over, and you might stumble back while they are pinwheeling and falling into a pool.

That force is that torque when the person's weight is also pushing back at you while your force is pushing at them.

Identify a metal from the following
(1) Sulphur
(2) Boron
(3) Silicon
(4) Sodium

Answers

Answer:

sodium

Explanation:

it is an alkali metal

How many moles are there in 12.5 g of methanol, CH3OH?
A) 0.0326 mol
B) 0.39 mol
C) 69.0 mol
D) 30.7 mol

Answers

Answer:

B (0.39 mol).

Explanation:

Hope this helped!

2 of 4
+ Automatic Zoom
10. The molar mass of CS2 is 76.14 g/mol. How many grams of CS2 are present in 10.00 mol?

Answers

Answer: C

Explanation:

There are 761.4 grams of CS2 in 10.00 mol.

To calculate the amount of grams present in a given amount of moles, the molar mass of the substance must be used, as follows:

                                        [tex]m = MM \times mol[/tex]

In this way, just perform the following operation:

                           

                                          [tex]m = 76.14 \times 10[/tex]

                                         [tex]m = 761.4 grams[/tex]

Thus, there are 761.4 grams of CS2 in 10 mol of the substance.

Learn more about mole calculation in: brainly.com/question/15693285

what is an example of natural material for fabric?

Answers

Maybe cotton if that is what u are asking?

Balance the equation Mg+CO2 - - - - - -) MgO+c ​

Answers

Answer:

2Mg (s) + CO₂ (g) → 2MgO (s) + C (s)

General Formulas and Concepts:

Chemistry - Reactions

Reaction PredictionBalancing RxN's

Explanation:

Step 1: Define RxN

Mg (s) + CO₂ (g) → MgO (s) + C (s)

Step 2: Balance RxN

2Mg (s) + CO₂ (g) → 2MgO (s) + C (s)

We need to balance the number of O's on both sidesIf we balance the O's, we will also need to balance the Mg's

Which element is likely to be the best conductor of electricity?

Answers

Answer:

silver

Explanation:

The most electrically conductive element is silver, followed by copper and gold. Silver also has the highest thermal conductivity of any element and the highest light reflectance.

Answer:

A. copper

Explanation:

edge 2021

Which of the following produces a chemical change?
nge?
O A. Sanding a plank of wood
O B. Grilling a piece of meat
O C. Drying a towel on a clothesline
O D. Pressing clay into a ball
please help ASAP i’m literally struggling

Answers

Answer:

B. Grilling a piece of meat

since the process involves burning

answer the question​

Answers

The answer is B your welcome

You are doing math homework and get frustrated and throw the 7 kg book with a force of 47
Newtons. How much acceleration will the book have when you throw it?

Answers

Answer:

The answer is 6.71 m/s²

Explanation:

The acceleration of an object given it's mass and the force acting on it can be found by using the formula

[tex]a = \frac{f}{m} \\ [/tex]

f is the force

m is the mass

From the question we have

[tex]a = \frac{47}{7} \\ = 6.714285...[/tex]

We have the final answer as

6.71 m/s²

Hope this helps you

The specific heat of a certain type of metal is 0.128 J/(g⋅∘C). What was the intial temperature if 0.305 kJ of heat is added to 94.8 g of metal to reach a temperature of 85.0 ∘C?

Answers

The intial temperature : 59.865 °C

Further explanation

Heat added :

Q = m . c . ΔT

Q = heat, J  

m = mass, g  

c = specific heat, joules / g ° C  

∆T = temperature difference, ° C / K  

[tex]\tt 305=94.8\times 0.128\times (85-t_1)\\\\85-t_1=25.135\\\\t_1=59.865^oC[/tex]

The most abundant element in the universe
(1) Hydrogen
(2) Oxygen
(3) Nitrogen
(4) Helium

Answers

hydrogen is the answer

Answer:

Hydrogen

Explanation:

Hydrogen is universe's most simple element, which is most likely why it is the most abundant.

what happens to the temperatures when we have direct sunlight vs indirect sunlight?

Answers

Explanation:

When we have direct sunlight, the temperature is higher compared to indirect sunlight.

Direct sunlight is usually overhead whereas indirect sunlight is at an angle to the surface.

Direct sunlight impacts the surface with more energy concentrated on a smaller surface area. This warms the surface more. Indirect sunlight is diffuse and spreads over a wider area. This leads to a reduction in temperature.

What is the correct formula that would result from the combination of the two ionic species?

if you could, also tell me why so I dont have to do this every time lol. If not that's cool too​

Answers

Answer:

I think its B

Explanation:

I don't know how to explain it bc I'm not really sure


With your class, look up the element names for each symbol in the word "BOOK" and list the element names.

Answers

Explanation:

The word BOOK; is made up of 4 letters and each actually represents the symbol of an element.

An element is a distinct substance that cannot be split-up into simpler substances.

  B    -   Boron

  O    - Oxygen

  O   - Oxygen

  K   - Potassium

We can see that the word BOOK shows us elements boron, oxygen, oxygen and potassium.

Which element is likely to be the best conductor of electricity?
copper
lithium
iodine
silicon

Answers

Answer:

copper

Explanation:

Answer:

COPPER!!!!!

Explanation:

I got it right on the test, on Edge. Hope this helps. :))))

please help I need to ace this test
When two atoms attach to each other by sharing electrons it is called a...

A: Covalent bond

B: Ionic bond

C: none of these - atoms can't bond to each other.

D: Nuclear bond

2nd question
Two hydrogen atoms bonded together form a compound
A: True
B: False

3rd question
Water is two hydrogen atoms bonded to an oxygen atom. This is an example of a compound

A: True

B: False
like I said I need help on this and I don't wanna fail

Answers

#1: A covalent bond

#2 False

#3True

What charges would an atom of Cesium and Radium form based on the octet rule

Answers

Answer:

1+

Explanation:

Hope this helped!

2. Al(OH),(s) + 3 HCl(aq) à 3 H2O(l) + AlCl3(aq). This reaction shows how aluminum hydroxide
in antacid tablets neutralizes hydrochloric acid in the stomach. A tablet containing 0.25 g of
aluminum hydroxide is ingested by a patient with 0.88 g of hydrochloric acid in their stomach. Is
this tablet sufficient to neutralize the acid in the patient's stomach? Explain using stoichiometric
calculations. [4 marks]
I

Answers

This tablet insufficient to neutralize the acid in the patient's stomach

Further explanation

Reaction

Al(OH)₃(s) + 3HCl(aq) ⇒ 3 H₂O(l) + AlCl₃(aq)

0.25 g of  Aluminum hydroxide-Al(OH)₃ , mol (MW=78 g/mol) :

[tex]\tt \dfrac{0.25}{78}=0.00321[/tex]

mol HCl : mol Al(OH)₃ = 3 : 1

[tex]\tt mol~HCl=3\times 0.00321=0.00963[/tex]

mass HCl (MW=36,46 g/mol) :

[tex]\tt 0.00963\times 36.46=0.351[/tex]

0.351 < 0.88⇒this tablet insufficient to neutralize the acid

The tundra is characterized by _____.

extremely cold temperatures
high rainfall
long growing seasons
high temperatures

Answers

extremely cold temperatures

Answer:

Tundra are cold bioms. They include poler bears wolfs rabbits etc

Explanation:

if the atomic mass is 14 and the atomic number is 7,how many neutrons do you have?​

Answers

Answer: 7 neutrons

Explanation: Atomic number refers to the number of protons in the nucleus of the atom. Also you can treat atomic mass as how many particles (protons and neutrons) are in the nucleus of the atom. So for this problem:

14 particles - 7 protons = 7 neutrons (and we know all that's left over is neutrons because we subtracted all the protons)

Which of these ions has the correct charge?



O2-


B2+


P2-


Li2+

Answers

Answer:

02- i think your welcome hope it helps

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