Unit 1 Test Review

Which is NOT a property of Metals......

• Shiny

• Malleable (can be hammered into sheets)

• Can be drawn into wire

• POOR conductors

If an atom has 25 protons, 25 electrons and 30 neutrons what is its mass number?

• 55

• 50

• 80

• 25

How many protons and neutrons does a neutral atom of Carbon-13 have?

• 6 protons, 6 neutrons

• 6 protons, 7 neutrons

• 7 protons, 6 neutrons

• 13 protons, 13 neturons

What is the solubility of CsNO3 at 30 degrees C?

• 40 grams

• 30 grams

• 20 grams

• 50 grams

What is state is the matter in at point 2 and 4?

• 2-liquid, 4-gas

• 2-solid, 4-liquid

• 2-solid, 4-plasma

• 2-liquid, 4-solid

What phase change is occurring at point 1 and 3?

• 1-freezing, 3-deposition

• 1-sublimation, 3-boiling

• 1-melting, 3-boiling

• 1-boiling, 3-condensing

What is another name for a solution?

• homogeneous mixture

• heterogeneous mixture

• suspension

• liquid

Which is an example of a physical change?

• lighting a match

• burning wood

• rusting of iron

• tearing paper

What is the nuclear composition of thorium-232?

• protons-90, neutrons-142

• protons-90, electrons-142

• electrons-90, neutrons-142

• protons-142, neutrons-90

Use the chart to determine the identity of a gas that has a volume of 4.23L and a mass of 7.54g.

• helium

• neon

• argon

• krypton