Energy Levels of an atom are also called:

• shells

• valence electrons

• rings

Protons in the nucleus pull on the valence electrons because:

• they have equal charges

• they have opposite charges

• they have no charges

Tags

NGSS.HS-PS2-4

The protons in the nucleus have 'proton pulling power' which we can also call:

• shells

• effective nuclear charge

• nuclear power

On the periodic table, a ROW is called a ____ and a COLUMN is called a ____

• Group

  Period

• Period

  Group

Which family is being described:

Stable, Unreactive gases

• Alkali metals
• Transition metals
• Noble gases
• Halogens

Which family is being described:

most reactive metals

• Alkali

• Alkaline-Earth

• Halogens

• Noble Gases

Which of the following is represented by the highlighted group?

• Lanthanide Series

• Actinide Series

• Halogens

• Noble Gases

Tags

NGSS.HS-PS1-1

Which of the following is NOT CORRECT about the number of valence electrons?

• Alkali Metals

  1ve

• Alkaline-Earth metals

  2ve

• Halogens

  17 ve

• Noble Gases

  8ve

Tags

NGSS.HS-PS1-1

How many valence electrons does carbon have?

• 4

• 5

• 6

• 7

Tags

NGSS.HS-PS1-1

How many valence (outer) electrons does an Oxygen atom have?

• 2

• 6

• 8

• 16

Tags

NGSS.HS-PS1-1