massive livand that sarah or someone is how u do it
Answer:
The positive charges equal the negative charges, so the atom has no overall charge; it is electrically neutral. Most of an atom's mass is in its nucleus; the mass of an electron is only 1/1836 the mass of the lightest nucleus, that of hydrogen.
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Answer:
2.0x 10-2M
Explanation:
x2/[2.0x10-2]2 [1.0x10-2] =100
Answer:
2 atoms of aluminium makes a molecule of aluminium
Explanation:
2 or 4 does are the most reasonable