Select all of the answers that apply. which of the following are ways the atmosphere supports life?

Lewis structure and molecular geometry for nh2cl

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged