Periodic Table

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

• groups

• valence electrons

• periods

• atomic numbers

On the modern Periodic Table, elements are arranged by ---

• atomic mass

• atomic number

• valence electrons

• number of isotopes

Sodium (Na) is found in period ---

• 3

• 2

• 4

• 1

Sodium (Na) is found in group ---

• 1

• 2

• 3

• 4

The horizontal (left to right) rows in the Periodic Table are called ---

• groups

• families

• periods

• atomic numbers

Look at a Periodic Table. What is the chemical symbol for GOLD?

• Al

• Ag

• Ar

• Au

Look at a Periodic Table. What is the chemical symbol for CHLORINE?

• C

• Ca

• Cl

• Cu

Tags

NGSS.MS-PS1-1

Look at a Periodic Table. What is the chemical symbol for CARBON?

• C

• Ca

• Cl

• Cu

Tags

NGSS.MS-PS1-1

Look at a Periodic Table. What is the chemical symbol for COPPER?

• C

• Ca

• Cu

• Cl

Tags

NGSS.MS-PS1-1

An element's identity is determined by the number of ___ it has.

• electrons

• protons

• neutrons

• valence