Unit 2 Test: Chemistry of Life

What is an ion?

• A Charged Atom
• A Large Atom
• A Small Atom
• A Cute Atom

Tags

NGSS.MS-PS1-1

A Cation has a ________ charge

• positive

• negative

• neutral

• meow

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in an atom.

What's a valence electron?

• electrons in the second energy level
• electrons in the outermost energy level
• the atomic number
• electrons in the first level

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons are in an atom of Ba?

• 2
• 8
• 4
• 1

How many valence electrons are in an atom of Ar?

• 2
• 8
• 4
• 1

How many valence electrons are found in atoms of group 1?

• 7
• 6
• 4
• 1

How many valence electrons are found in atoms of group 15?

• 4
• 5
• 2
• 3

Which macromolecule(s) have the elements Carbon, Hydrogen, and Oxygen? 

• Proteins & Nucleic Acids
• Carbohydrates & Lipids
• Lipids & Proteins
• Carbohydrates & Nucleic Acids

Tags

NGSS.HS-LS1-6

The following Function belongs to which Macromolecule? " Forms muscles, skin, & organs and enzymes"  

• Carbohydrates
• Lipids
• Proteins
• Nucleic Acid

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6