Group numbers indicate

Periodic numbers indicate

When an element in group 15 forms an ion it will

An ion with a charge of 2- is called ___________ and has _________ electrons.

Groups 1 of the periodic table is called the

Which family is part of the magic 7 and form diatomic molecules?

The most reactive non-metal is

From left to right, what are the order of zones on a periodic table?

All metals __________ electrons to form ____________.

The element found in group 2 period 3 is

The oxide ion has the same electron configuration as ______________

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