Chemistry, 31.10.2019 22:31 hannahdrumsey
In the periodic table, what is the relationship between two elements that are placed side-by-side in a row?
a.
the element on the left has one more electron.
b.
the element on the left has one more proton.
c.
the element on the right has one more neutron.
d.
the element on the right has one more proton.
Answers: 3
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The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as
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In the periodic table, what is the relationship between two elements that are placed side-by-side in...
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