Answer:
Ba
Explanation:
The trend for atomic radius is that it increases as you go down and decreases as you go right.
Answer:
A
Explanation:
the baking soda and vinegar were products of a chemical reaction
Photosynthesis converts solar energy into chemical energy
Answer:
SiH4
Explanation:
We must remember that the magnitude of intermolecular forces play a vital role in the determination of the boiling point of a substance.
The Si-H bond is the least polar among all the bonds in compounds listed in the question. This is because the electronegativity difference between silicon and hydrogen is very slim resulting in the formation of a nonpolar covalent bond.
The other compounds possess more polar bonds hence have a greater degree of dipole interaction between molecules and a consequently higher boiling point than SiH4.