The Periodic Table

Multiple Choice

Mendeleev & Moseley both organized the columns (groups) by...

• mass

• number

• symbol

• properties

Open Ended

What is the problem with organizing the periodic table by atomic masses?

Open Ended

What do you notice about the properties of metalloids when compared to metals and nonmetals?

Multiple Choice

How many periods are on the periodic table?

• 5

• 6

• 7

• 8

Multiple Select

Elements in the same group have : (2 correct answers)

• Similar chemical properties

• Similar names

• Same number of outer (valence) electrons)

• The same number of protons

Match

Match the following

• lithium

• helium

• aluminum

• bromine

• strontium

2 energy levels

1 energy level

3 energy levels

4 energy levels

5 energy levels

• 2 energy levels

• 1 energy level

• 3 energy levels

• 4 energy levels

• 5 energy levels

Match

Match the following elements to the group they belong to.

• sodium

• calcium

• chlorine

• argon

alkali metal

alkaline earth metal

halogen

noble gas

• alkali metal

• alkaline earth metal

• halogen

• noble gas

Multiple Choice

The atoms along the staircase are called 

• metals

• nonmetals

• metalloids

• noble gases

Multiple Choice

The yellow elements (right side) are called 

• metals

• nonmetals

• metalloids

• noble gases

Multiple Choice

The blue elements (left side) are called 

• metals

• nonmetals

• metalloids

• noble gases

Hotspot

Which spot on the table are the alkali metals?

Hotspot

Which spot on the table are the noble gases?

Hotspot

Which spot on the table are the transition metals?