PLEASE HELP, with these 3 questions! Thank you

Moving from left to right across a period

elements become more metallic

elements become less metallic

elements have fewer valence electrons

elements become less reactive

One property of most metals in the solid state is that they are

brittle
nonconductors
malleable
dull

What are the most reactive nonmetals?

alkaline earth metals
noble gases
halogens
oxygen

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