Atoms and the Periodic Table

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

Sodium (Na) is found in group 

• 1
• 2
• 3
• 4

The atomic number tells you what?  READ THE ANSWERS CAREFULLY

• only the number of electrons
•  only the number of protons
• only the number of neutrons
• the number of both electrons and protons in an atom.

What does the 6 represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

Tags

NGSS.MS-PS1-1

What does 12.011 represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

Tags

NGSS.MS-PS1-1

The smallest particle into which an element can be divided and still be the same element is a(n)

• proton

• neutron

• electron

• atom

Tags

NGSS.MS-PS1-1

Which subatomic particle has a positive charge?

• proton

• nuetron

• electron

• atom

Tags

NGSS.MS-PS1-1

Which subatomic particle has a negative charge?

• proton

• neutron

• electron

• atom

Tags

NGSS.MS-PS1-1

Which subatomic particle has a neutral (0) charge?

• proton

• nuetron

• electron

• atom

Tags

NGSS.MS-PS1-1