Search for Life- Lessons 5 & 6 Review

True or False. Valence electrons are the innermost electrons.

• True

• False

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

I can tell the valence electrons by looking at the ___________ on the periodic table.

• column(groups)

• rows(periods)

• energy levels

• protons

Tags

NGSS.HS-PS1-1

I can tell the number of energy levels by looking at the ___________ on the periodic table.

• column(groups)

• rows(periods)

• protons

Tags

NGSS.HS-PS1-1

How many valence electrons does Iodine (I)  have?

• 6
• 16
• 7
• 17

Tags

NGSS.HS-PS1-1

A ring around the nucleus is called _______ for an atom or ion.

• column(groups)

• rows(periods)

• energy levels

• protons

Tags

NGSS.HS-PS1-1

True or False. Beryllium, Boron, Magnesium all have 2 valence electrons

• True

• False

Tags

NGSS.HS-PS1-1

What is the maximum number of electrons for the energy level closest to the nucleus?

• 1

• 2

• 8

• 6

What is the most electrons an electron dot model can have?

• 2

• 4

• 6

• 8

How many valence electrons does sulfur have according to the dot model?

• 2

• 4

• 6

• 8

Tags

NGSS.HS-PS1-1

True or False. In order to become an ion oxygen loses electrons.

• True

• False