What is the name given to the columns on the periodic table?

• periods

• groups

• rows

• columns

What happens to the size of atoms as you go down a group?

• they increase in size

• they decrease in size

Which group are known as the alkali metals?

• Group 0

• Group 7

• Group 2

• Group 1

The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The Modern Periodic Table of Elements is arranged by

• atomic mass
• atomic number
• valence electrons
• number of isotopes

These are found on the Periodic Table.

• Compounds
• Elements
• Mixtures

Tags

NGSS.HS-PS1-1

The horizontal (side to side) rows in the Periodic Table are called

• groups

• families

• periods

• atomic numbers

what is the name of group number 1

• halogens

• noble gases

• alkali

• alkaline earth

All matter is made of .....

• energy 
• atoms 
• air
• chemistry

Tags

NGSS.MS-PS1-1

The atomic number of an element tells the number of _____ in the nucleus of an atom of that element.

• protons
• neutrons
• electrons
• isotopes

Tags

NGSS.HS-PS1-7