Answer:
volatility means liability to change rapidly and unpredictably, especially for the worse
Answer: D. Synthesis
Explanation:
Sodium Oxide + Water = Sodium Hydroxide
Electron configuration of:
<span>Cr = 1s2 2s2 2p6 3s2 3p6 3d5 4s1 </span>
<span>Cr2+ = 1s2 2s2 2p6 3s2 3p6 3d4 </span>
<span>Cu = 1s2 2s2 2p6 3s2 3p6 3d10 4s1 </span>
<span>Cu2+ = 1s2 2s2 2p6 3s2 3p6 3d9 </span>
<span>Co = 1s2 2s2 2p6 3s2 3p6 3d7 4s2 </span>
<span>Co3+ = 1s2 2s2 2p6 3s2 3p6 3d6
s can max contain 2 electrons.
</span>p can max contain 6 electrons.
d can max contain 10 electrons.
f can max contain 14 electrons.
H- is the one without electron