25. Identify the element with 4 valence electrons and the least mass. Choices

Carbon (C)
Silicon (Si)
Germanium (Ge)
O Tin (Sn)

The volume of a single vanadium atom is 9.29×10-24 cm3. what is the volume of a vanadium atom in microliters?

Which is the most concentratic acid

What changes occur in the reaction indicated by the equation? check all that apply. the hydrogen nucleus loses protons. the oxygen nucleus gains protons. the bond in h2 is broken, and new bonds are formed between hydrogen and oxygen atoms. each electron associated with a hydrogen atom is shared with an oxygen atom.