All the elements of a family in the periodic table have what feature in common? a. they all have similar chemical properties. b. they all have the same number of protons in the nucleus. c. they are all located in the same horizontal row or period. d. they all have the same number of electrons in the electron cloud.
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Chemistry, 21.06.2019 17:10
There are 6.022 x 10^23 atoms of hg in 1 mole of hg. the number of atoms in 4.5 moles of hg can be found by multiplying 4.5 by 6.022 x 10^23 a. 2.7 x 10^24 b. 27 x 10^23 c. 2.71 x10^24 d. 27.099 x 10^23
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The p sub shell can hold up to 8 electrons in an atom. true or false?
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All the elements of a family in the periodic table have what feature in common? a. they all have si...
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