Periodic Tbale

What particles have a negative charge?

Which of the following is an Alkali Metal?

What scientist discovered radioactive elements?

Most metals are NOT what?

how many neutrons does Arsenic have?

Most metals are liquid at room temp.

Smaller particles that make up protons are what?

What group of elements are the least reactive?

The Octet Rule means and element can hold how many valence electrons?

Who changed Mendeleev's original periodic tbale?

Elements in the same groups have similar characteristics.

What do the amount of protons equal?

Transitional Elements are ones that we never see.

How many neutrons does Carbon have?

What metals are the most reactive?

What group on the periodic table has the most?

How many valence electrons does Sodium have?

Fluorine has how many valence electrons?

Which of the following is a Noble Gas?

Mendeleev created the first periodic table by arranging elements in order of