Asked by queen

What quality differentiates hydrogen (H) from the other elements in group 1, the alkali metals?(1 point)
Responses

It has more than one valence electron.

It is not very reactive.

It is a non-metal.

It is found by itself in nature.
Answered by queen
what is the correct answer
Answered by queen
On which atomic property proposed by Henry Moseley is the current periodic table of the elements based?(1 point)
Responses

electric charge

atomic weight

atomic number

nucleus size
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