Class Quiz

What does this image represent?

• Compound

• Mixture

• Solution

Tags

NGSS.MS-PS1-1

What does this image represent?

• Compound

• Mixture

• Solution

Tags

NGSS.MS-PS1-1

Match the following

• Covalent Bond

• A bond formed when atoms share one or more pairs of electrons.

• Ionic Bond

• A bond formed between a cation (positive ion) and anion (negative ion).

• Ion

• An atom who has lost or gained an electron.

What does the following represent? (One atom is giving up its electron.)

• Covalent Bond

• Ionic Bond

Tags

NGSS.MS-PS1-5

What does the following represent? (The atoms are sharing electrons.)

• Covalent Bond

• Ionic Bond

Tags

NGSS.HS-PS1-1

Neon normally has 10 electrons. If it currently has 9 electrons, what is it's total charge?

• Positive

• Negative

• Neutral

Argon normally has 18 electrons. If it currently has 19 electrons, what is it's total charge?

• Positive

• Negative

• Neutral

EXTRA CREDIT: Match the following

• Water Molecule

• 
• Hydronium Ion

• 
• Hydroxide Ion

• 

Tags

NGSS.MS-PS1-1

Which is most BASE on the pH scale?

• 0

• 7

• 14

Which is most ACIDIC on the pH scale?

• 0

• 7

• 14