Cards in this guide (7)
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
What period is Zn (zinc) in
Na-23 has 12 neutrons what is its atomic number