RMM of CaH2=20+(1x2)=22
Number of moles or formula units
=mass/RMM
=8.294/22
=0.377
The elements in group 7, which fluorine is in also, would have similar properties due to the valence electrons and the configuration. <span />
Answer:
the rate increases
Explanation:
they are closer to each other, they will collide with each other more frequently and more successful collision
What an electron and a neutron have in common is that <u>each particle exists inside an atom,</u>
Atoms consist of three particles: protons (which are positively charged), electrons (which are negatively charged), and neutrons (which have no charge).
I think the answer is codominant??
