PDF chapter test TRY NOW
1. Which element has
(b) the electronic configuration 2, 8, 2?
(b) the electronic configuration 2, 8, 2?
2. What property do all elements in the same column of the Periodic Table as boron have in common?
Answer variants:
\(Al\)
Magnesium
Elements in the same column or group as boron have valency of three and have three valence electrons.
Silicon (2, 6, 10)
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