Answer:
The number of electrons in the outermost shell of an atom determines its reactivity. Noble gases have low reactivity because they have full electron shells. Halogens are highly reactive because they readily gain an electron to fill their outermost shell.
Explanation:
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The answer is 6.25 x 10^4.
I think the answer the students average is 15 km?
Answer:
These forces make objects change their motion or movement , the act of going from one place to another.
Explanation:
<span>C. In order for a nonmetal to obey the octet rule, it gains electrons.</span>
