Chemistry, 27.09.2020 14:01 elijahblaize24
The atoms of a certain element each contain 19 protons and 1 valence electron. Which statement correctly identifies this element and describes its chemical reactivity?
A. The element is fluorine, and it is highly reactive.
B. The element is potassium, and it is very stable.
C. The element is fluorine, and it is very stable.
D. The element is potassium, and it is highly reactive.
Answers: 3
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