Periodic Law

A horizontal row of elements in the periodic table is called:

• column

• group

• period

• family

A vertical column in the periodic table is called:

• row

• group

• period

• table

Who organized the first periodic table?

• Mendeleev

• Moseley

• Mozart

• Lavosier

What are the elements along the dark line on the periodic table called?

• metals

• nonmetals

• metalloids

• noble gases

• A

• B

• C

• D

Row of elements on the periodic table that represent the number of energy levels.

• Atomic Number

• Atomic Mass

• Period

• Group

In the modern periodic table elements are arranged by:

• valence electrons

• atomic number

• alphabetical order

• atomic mass

The majority of elements on the periodic table are:

• radioactive.

• nonmetals.

• metals.

• gases.

What period and group is Chlorine (Cl)?

• Period 3, Group 14

• Period 3, Group 17

• Period 2, Group 17

• Period 2, Group 14

What period and group is Arsenic (As)?

• Period 3, Group 14

• Period 3, Group 15

• Period 4, Group 15

• Period 4, Group 14