2alshawe201
30.10.2020 •
Physics
1. Compare and Contrast Elements and Atoms (3 column table)
PLeasee help!!
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Ответ:
A particular atom will have the same number of protons and electrons and most atoms have at least as many neutrons as protons. An element is a substance that is made entirely from one type of atom. For example, the element hydrogen is made from atoms containing just one proton and one electron.
Explanation:
Ответ:
Roughly 78% of the Earth's surface is covered by water,
and Hydrogen is a major component of water.
On the surface of the Earth, you really have to try hard
to be far away from a cheap source of Hydrogen.