A scientist studies an element that has seven electrons in its outer shell, is fairly toxic, and is highly reactive. To which gr
oup of the periodic table does this element belong
1 answer:
Answer:17
Explanation:cause i took the test
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C. The temperature decreases because the most energetic molecules escape.
3.65 X 10 to the power of 8
Answer: 0.5 g/cm^3
Density equals mass divided by volume so..
60/120 is 0.5 g/cm^3
A is correct because there is no reaction involved
Answer:
Explanation:
its b, i looked it up
