Answer:
There are 2 moles of oxygen molecules; there are 4 moles of oxygen atoms.
Explanation:
The alpha particles that were fired at the gold foil were positively charged. ... These experiments led Rutherford to describe the atom as containing mostly empty space, with a very small, dense, positively charged nucleus at the center, which contained most of the mass of the atom, with the electrons orbiting the nucleus.
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Answer:
1s22s22p63s1 is the electronic configuration of sodium.
Explanation:
It should be option (A) because conduction is the transfer of heat energy from one place to another by vibrations/motion of the molecules. I hoped I helped.