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Chemistry

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Tyree Cassin

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Cards in this guide (7)
What group is Zn in

Group 12

Which electrons are the valence electrons of the atom

The correct answer is: The electrons farthest away from the nucleus...

chris ellis

Why are elements in the tall columns of the periodic table called representative elements

They follow a pattern for valence electrons.

What does the group number of A elements in the AB numbering system tell about valence electrons

all the elements in group A has the same number of valence electrons

What does adding a neutron to an atoms nucleus do to the atoms mass

we can not add neutron

What period is Zn (zinc) in

12

Na-23 has 12 neutrons what is its atomic number

11

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