Answer:
Like the inert gases(noble gases).
Explanation:
Reactivity is not a physical property because it's a characteristic of a chemical element or compound and is involved in chemical process.
Answer:
Ligands
Explanation:
Ligands are small molecules that transmit signals in between or within cells. Ligands exert their effects by binding to cellular proteins called receptors.
6 - one sodium atom, 1 hydrogen atom, 1 carbon atom, and 3 oxygen atoms.
Answer: is C
Explanation:
Both the atomic mass and the atomic number increase from left to right
