Periodic Table of Elements

The subatomic particle located outside the nucleus is called the ______________.

Chlorine and Iodine are members of which family on the periodic table?

Be, Mg, and Ca are all in this group.

An atom with a charge is called an_______________.

Ash you go down on the periodic table the electronegativity ?

The family of atoms with chlorine and fluorine is called the ___________________ .

What is the vertical column on the Periodic Table called?

What is a horizontal row called on the Periodic Table?

What is another name for a family on the Periodic Table?

How many periods are on the Periodic Table of Elements?

As you go down the periodic table the atomic size?

Helium is most like which of these elements?

As you  go across a period the atomic size?

Which element has the larger atom? Lithium or Sodium?

Elements within the same _____________ are most likely to undergo the same kinds of reactions.

The periodic table of elements is arranged in order of __________________ .