AP Chem Unit 0 Review

Front

How many significant figures are in the number 0.020 m?

Back

2

Front

What is the formula to calculate density?

Back

Density = mass divided by volume

Front

How do you convert Celsius to Kelvin?

Back

K = °C + 273

Front

How many significant figures are in 350 mL?

Back

2

Front

What family of elements does lithium belong to?

Back

Alkali metals

Front

What is the definition of significant figures?

Back

Significant figures are the digits in a number that contribute to its precision.

Front

What is the formula for converting Kelvin to Celsius?

Back

°C = K - 273

Front

What is the density of water at 4°C?

Back

1 g/mL

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.