Answer:
D
Explanation:
The indivisibility of an atom was proved wrong an atom can be further subdivided into protons, neutrons and electrons. However an atom is the smallest particle that takes part in chemical reactions......
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To fine volume, you have to divide the mass by the density of the substance. in this, you’ll do 19.6/7.83=2.50
Follow Avogadro’s Number
1 mole = 6.02 x 10^23
So we can do it
4.77x10^25/6.02x10^23 = 79.2 mole
Answer:
C
Explanation:
Elements are found on the periodic table.
Hope this helped!
Answer:
liquid at room temperature
mercury is an exception to that though
