D! It’s a pure substance and a compound
B. Don't take up most of the space in an atom,
Answer:
i think its the first one not 100% on it tho but i know for a fact its NOT c
Explanation:
Answer:
~Na+1 is already in the preferred form. Because of this, the second ionization energy of sodium is higher than normal. Mg+1 loses an electron to form s2 p6 .
