Question

Use the periodic table to locate lithium, barium, and cobalt. Match the element with the correct description

Answer 1

Answer:

lithium > is most reactive

cobalt > forms colorful compounds

barium > has 2 valence electrons  

Explanation:

Answer 2

Answer:

lithium > is most reactive

cobalt > forms colorful compounds

barium > has 2 valence electrons

Explanation:

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