Hi my loves, so i can’t do these multiple choice chem questions. so can someone please help me?

thank you:)

Which is true of transition metals when moving from left to right on the periodic table? the d sublevels are not filled across the period. the cation radii become larger across the period. atomic radii increase slightly and then start to decrease. atomic radii decrease slightly and then start to increase. o

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a

What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2