Answer:
See Explanation
Explanation:
8. 3, 1, -1, +1/2 => 3pₓ¹ => Aluminum
9. 4, 2, +1, +1/2 => 4d₁¹ => Chromium
10. 6, 1, 0, -1/2 => 6p₀² => Argon
11. 4, 3, +3, -1/2 => 4f₊₃² => Lutetium
12. 2, 1, +1, -1/2 => 2p₊₁² => Neon
<span>B. type of matter that we cannot see but that we believe makes up more than 20% of the universe C. matter made of ordinary atoms, such as hydrogen or helium atoms </span>
I think it is A correct me if i am wrong hope this helps
<span>Metals have low ionization energy and nonmetals have high electronegativity, so electrons transfer easily from the metal atom to the nonmetal atom.</span>