Fall Final Review Chemistry

12.  Which element does the following configuration represent?  1s²,2s²,2p⁶,3s²,3p⁵

•    Phosphorus
•      Chlorine
•    Silicon
•     Argon

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

13.  What is the correct electron configuration for Calcium?

• a.  1s²,2s²,2p⁶,3s²,3p⁶,4s¹
• a.  1s²,2s²,2p⁶,3s²,3p⁶,4s²
• a.  1s²,2s²,2p⁶,3s²,3p⁵,4s²
• 1s²,2s²,2p⁶,3s³,3p⁵,4s¹

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

1s²2s²2p⁶3s²3p¹
This electron configuration belongs to...

• Aluminum
• Boron
• Gallium
• Carbon

Tags

NGSS.HS-PS1-1

The name of group 17.

• Alkali metals
• Noble Gases
• Alkaline Earth metals
• Halogens

Noble gases don't react with anything else because...

• they are too large
• they are gases
• they have 8 valence electrons
• they need to gain 1 valence electron

Tags

NGSS.HS-PS1-1

The most reactive metals are the...

• Alkaline earth metals
• Transition metals
• Alkali metals
• Halogens

This symbol indicates a _______.

• neutron

• proton

• electron

What is the atomic mass for this element?

• 6

• 12.0107

• 6.0107

• 18.0107

Tags

NGSS.MS-PS1-1

The center of an atom is called

a/an __________.

• atomic mass

• nucleus

• proton center

• energy shell

Tags

NGSS.HS-PS1-8

How many neutrons are in an Calcium atom?

• 20

• 40.08

• 60

Tags

NGSS.MS-PS1-1