Final Review 2: Periodic T., Bonding and Mole

What is the name of group number 1?

• halogens

• noble gases

• alkali metals

• alkaline earth metals

where are the metaloids found

• far left, vertical

• stair step/diagonal

• far right horizontal

• at the bottom

What group number are the halogens found?

• 18 (8A)

• 1

• 2

• 17 (7A)

Periodic law states that the elements are arranged according to their atomic ________ so that elements with similar chemical properties are in the same ________ and properties repeat periodically.

• numbers, rows

• masses, rows

• masses, column

• numbers, column

__________ would have some characteristics of metals and some characteristics of nonmetals.

• Gold
• Sodium
• Arsenic
• Bismuth

Nonmetals (select all that apply)

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

• are found on the left side of the periodic table.

• are good conductors of heat and electricity.

• are brittle.

• can be solid, liquids, or gases at room temperature.

Metals (select all that apply)

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

• are found on the left side of the periodic table.

• are good conductors of heat and electricity.

• are brittle.

• are malleable and ductile.

Which element has similar chemical properties as sodium but has 7 energy levels?

• Francium (Fr)

• Cesium (Cs)

• Rubidium (Rb)

• Potassium (K)

Elements that have the same number of energy levels are said to be in the same ______.

• group

• period

• family

• classification

Ionization energy is the...

• energy needed to remove the outermost electron.
• ability of an atom to attract electrons from another atom.