Hey there! Here is the answer:
B.) decrease; increase
Here's why:
As you move from left to right across a period on the periodic table the size of an atom will decrease. As you move from top to bottom down a group on the periodic table the size of an atom will increase.
I really hope this answer helps you out! :)
Answer:
Explanation:
b bhmj sjvkjwv
'
Nitrogen (around 78%), Oxygen (around 21%), and Argon (around 1%).
Hope this helps :)
2 one
is right coz I think
