Periodic Families

Oxygen group has how many valence electron?

• 3

• 4

• 5

• 6

A ______________ may behave as a metal under some conditions, but the same _______________ may behave as a nonmetal under other conditions.

• metals

• non metals

• metalloids

• noble gases

There are __________ groups and __________periods in the periodic table.

• 17;6

• 18;7

• 18;9

• 17;7

____________ is knows as vertical columns on the periodic table; all elements have similar chemical & physical properties; all elements have the same number of valence electrons

• groups

• periods

• noble gases

• halogens

What part of the element shows the horizontal rows, atomic number increases as you move across a the row?

• families

• groups

• periods

• rare earth metals

Which statement is true about the alkaline earth metal family?

• They have 2 valence electrons.

• They are found on the right side of the periodic table.

• They form -2 charges.

• They tend to gain valence electrons.

Which family of elements is least likely to gain or lose valence electrons because they do not chemically react?

• the noble gas family

• the halogen family

• the transition metals

• the carbon family

The family of elements that have one valence electron is the:

• noble gas family

• halogen family

• alkaline earth metal family

• alkali metal family

Which family of elements have 7 valence electrons?

• the alkali metal family

• the boron group

• the nitrogen group

• the halogen family

An atom that has 1, 2, 3, or 4 valence electrons is likely to be:

• non-metal atom

• metalloid atom

• metal atom

• noble gas