What do you call an atom that has lost or gained electrons?

What charge does an electron have?

What do you call the vertical columns on the periodic table?

What do the vertical columns represent on the periodic table?

What do you call the horizontal rows on the periodic table?

What do the horizontal rows on the periodic table represent?

How many valence electrons do the alkali earth metals have?

How many valence electrons does the nitrogen family have?

What is the oxidation number (the charge) of a Calcium ion?

How many electrons does a Al 3+ ion have?

How many electron energy levels (rings) does a sulfur Bohr diagram have?

If an atom has gained an electron it is called?

If an atom has lost an electron(s) it is called?

How many electrons does a neutral atom of Silicon have?

How many energy levels (rings) does a Bohr diagram of Iodine have?

What is the oxidation number (charge) of a selenium ion?

How many electrons does an anion of Selenium posses?

What charge does a proton posses?

The ________________ of an atom is the number of protons an atom possesses.

The electron cloud is where you would find what particle(s)?

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