Periodic Table

In the Periodic Table, the rows are known as ______________.

• Groups

• Periods

• Elements

• Atomic Numbers

The columns in the periodic table share the same number of ____________________.

• Protons

• Neutrons

• Valence Electrons

• Cations

The identity of an element on the periodic table is determined by the number of _______.

• protons

• neutrons

• electrons

• ions

Hydrogen and Helium have similar physical and chemical properties.

• True

• False

Tags

NGSS.HS-PS1-1

What are the red elements (those on the left)?

• metals

• nonmetals

• metalloids

What are the blue elements (those on the right)?

• metals

• nonmetals

• metalloids

What are the yellow "stair-step" elements?

• metals

• nonmetals

• metalloids

Which is an alkali metal?

• Magnesium
• Iron
• Sodium
• Europium

Elements in a ..................have similar chemical properties.  

• period
• group
• row

What element is in period 3 group 18, 8A?

• Aluminum

• Potassium

• Argon

• Neon