Chemistry Semester 1 Final

How many significant figures does 1.240 have?

• 4

• 3

• 2

• None

Convert 130,000 milliliters (mL) into liters (L).

• 130 L

• 13000 L

• 0.13 L

• 1300 L

Which of the following measurements is the same as 1.5 meters?

• 15 dam

• 150 cm

• 0.0015 nm

• 15,000 km

Use the graph to determine the density of 60 mL of water. (Round to tenths.)

• 0.5 g/mL

• 3600 g/mL

• 2.7 g/mL

• 1.0 g/mL

Use the graph to determine the density of 30 mL of aluminum. (Round to tenths.)

• 1.0 g/mL

• 2.7 g/mL

• 2400 g/mL

• 0.5 g/mL

The density of aluminum is 2.7 g/mL. Would a sample of aluminum sink or float in water?

• Sink

• Float

Which of the following best describes ionic bonding?

• Sea of electrons

• Multiplying electrons

• Transferring electrons

• Sharing electrons

Covalent bonds from between which types of elements?

• A nonmetal & a nonmetal

• A metal and a nonmetal

• A metal and a metal

Which of the following atoms become cations or anions?

Groups:

(a) Cations

,

(b) Anions

• Aluminum (Al)

• Oxygen (O)

• Iron (Fe)

• Phosphorus (P)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

When dissolved in water, which of the following will NOT conduct an electrical current?

• NaCl

• CaCl₂

• C₁₂H₂₂O₁₁

• LiOH