Density
=mass÷volume
=277÷38
=7.29 g/cm3
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Answer: Protons
The atom in a sample of an element must contain nuclei with the same number of protons. If the protons change in number, then the element will modify as well.
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Answer:the suns family is stars think about how many stars are in the sky there are billons and more billions
Explanation:
16(2)/74.1=.431
.431x100= 43.1%
