Answer:Calcium atoms have smaller radii than potassium atoms since calcium atoms have a greater nuclear charge.
Explanation:
Answer: The value of
is 1118 .
Explanation:
To calculate the number of moles, we use the equation:
The balanced chemical reaction is:
Given :
Energy released when 0.288 mole of
is reacted = 161 kJ
Thus Energy released when 2 moles of
is reacted =
Thus the value of
is 1118.
Gas are well separated with no regular arrangement<span>. liquid are close together and solid are right on-top of each other packed tightly</span>
Answer:
Some of the Alpha particles shot at the gold foil bounced back.
Explanation:
I believe A. Neither can change the number of atoms of each element that are present