Atomic structure and periodic table

Name this element.

• Argon

• Chlorine

• Aluminum

• Boron

Tags

NGSS.HS-PS1-1

What are the elements in group 18 (the far right) of the periodic table called?

• Alkali metals

• Alkaline earth metals

• Halogens

• Noble gases

What are the elements in group 2 of the periodic table called?

• Alkali metals

• Alkaline earth metals

• Halogens

• Noble gases

What are the elements in group 1 (the far left) of the periodic table called?

• Alkali metals

• Alkaline earth metals

• Halogens

• Noble gases

What are the elements in groups 3-12 of the periodic table called?

• Transition metals

• Non-metals

• Metalloids

• Metals

The total number of protons and neutrons in an atom's nucleus is equal to the:

• Atomic number

• Mass Number

• Number of valence electrons

• Number of electron shells

The vertical columns on the periodic table that have common properties are called

• Groups

• Periods

• Shells

• Valences

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The number of valence electrons an element has is equal to its:

• Period number

• Group number

• Valence number

• Atomic number

The model of an atom that shows electrons in circular orbits around the nucleus is called the:

• Bohr Model

• Lewis Dot Structure

• Rutherford Model

• Thomson Model

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Tags

NGSS.HS-PS1-1