Answer:D
Explanation:
Number of electrons=Number of protons
Sodium atom has 1 valence electron
Answer:
Helium, this noble gas has the least density at STP
Explanation:
<span>
some elements have their outer electrons more tightly bound than
others. Those who have less tightly bound electrons are more reactive.
After this it gets more complex in explaining why they are bound with
different strengths. </span>
Answer:
the answer is A
Explanation:
because abiotic things are non-living things
Answer:
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Explanation:
