subject
Chemistry, 10.09.2021 03:40 lilpeepxliltracy

HELP!! Which of the following statements best explains why the atomic radius decreases from left to right across a period?
A.
The number of neutrons in an atom increases from left to right across a period, and they pull the valence electrons inward with greater force.
B.
The number of electrons decreases from left to right, so the electron cloud occupies a smaller volume.
C.
The charge of the nucleus of an atom increases from left to right across a period, so the valence electrons are pulled inward with greater force.
D.
The number of energy levels decreases from left to right, so the electron cloud occupies a smaller volume.

ansver
Answers: 1

Other questions on the subject: Chemistry

image
Chemistry, 21.06.2019 17:40, Calumworthy6046
What are the resulting coefficients when you balance the chemical equation for the combustion of ethane, c2h6? in this reaction, ethane is burned in the presence of oxygen (o2) to form carbon dioxide (co2) and water (h2o). (g)+(g)→(g)+(g)
Answers: 1
image
Chemistry, 21.06.2019 21:00, sudotoxic
Which statement describes evidence of a chemical reaction? a) ice melting eliminate b) water boiling c) lighting a match d) grape juice freezing
Answers: 3
image
Chemistry, 22.06.2019 02:50, JuniperGalaxy
Consider the equilibrium system: 2icl(s) ⇄ i2(s) + cl2(g) which of the following changes will increase the total amount of of cl2 that can be produced? all of the listed answers are correct decreasing the volume of the container removing the cl2 as it is formed adding more icl(s) removing some of the i2(s)
Answers: 1
image
Chemistry, 22.06.2019 04:30, salvadorperez26
Suppose that during that icy hot lab 65,000 j of energy were transferred to 450 g of water at 20°c what would have have been the final temperature of the water
Answers: 2
You know the right answer?
HELP!! Which of the following statements best explains why the atomic radius decreases from left t...

Questions in other subjects:

Konu
Mathematics, 10.06.2021 20:30
Konu
Business, 10.06.2021 20:30