Chemistry Midterm Review #2

What are 3 examples of metals:

• Lithium

  Sodium

  Calcium

• Nitrogen

  Oxygen

  Fluorine

• Helium

  Neon

  Argon

What is the correct Lewis dot structure for Selenium:

• 
• 
• 

Tags

NGSS.HS-PS1-1

Why is the image the correct Lewis dot for Selenium?

• It is in group 1, with 1 valence electron

• It is group 2, with 2 valence electrons

• It is in group 16, with 6 valence electrons

Which element is this Bohr diagram from?

• Selenium, because it has 34 electrons

• Sulfur, because it has 16 electrons

• Sodium, because it has 11 electrons

What is the correct name for Cu(NO₃)₂?

• Copper (II) Nitrate

• Copper Nitrate

• Copper (III) Nitrate

All acids start with what element?

• "C"

• "He"

• "H"

Label #1

• wavelength

• crest

• amplitude

• frequency

Label #2

• wavelength

• crest

• amplitude

• frequency

Label #3

• wavelength

• crest

• trough

• frequency

Label #4

• wavelength

• crest

• trough

• frequency