CSA Quarter 3 review

CSA Quarter 3 review

Multiple Select

Which of the following are elements?

• sugar

• gold

• silver

• water

• salt water

Multiple Select

Which of the following are compounds?

• salt

• sugar

• carbon

• gold

• iron

Multiple Select

Which of the following are mixtures?

• Coffee

• silver

• gold

• trail mix

• air

Multiple Choice

Which of these charts represent a saturated solution?

Multiple Choice

You begin pouring sodium chloride into a glass of water. For a long time sodium chloride just dissolves in the water, but suddenly it begins to pile up at the bottom of the glass. Which statement is true?

• the sodium chloride has increased the temperature of the water

• the sodium chloride has decreased the temperature of the water.

• the water is unsaturated

• the water is saturated

Multiple Choice

What is in between the water particles in a glass of pure water?

• cohesive forces

• adhesive forces

• Air

• nothing but space

Multiple Select

Compare the particles in the sample of liquid water and the particles in a sample of solid water(ice).

• Particles in the liquid are smaller that the particles in the solids.

• Particles in the liquid move past each other, and the particles in the solid cannot.

• Particles in the liquid are less firm than the partilcles in the solid.

• Particles in liquid are moving, and the particles in the solid are not moving.

Multiple Choice

Why did the syringe plunger to back up when the sodium bicarbonate and citric acid mixed in the glass vile.

• A gas was formed

• a liquid was formed

• the plunger did not go back up.

• a vacuum was formed

Multiple Select

Select all statements that describe the particles if a gas is placed in a sealed container.

• The particles are packed closely throughout the container.

• The particles are spread far apart throughout the container.

• Almost all of the particles are at the bottom of the container.

• Almost all of the particles are at the top of the container.

• all of the particles are spread evenly throughout the container.

Multiple Select

Matter can be described by its physical properties. Choose all of the physical properties listed below.

• shape

• basicity

• boiling point

• combustion

• reactivity

Multiple Select

Matter can be described by its chemical properties. Choose all of the chemical properties listed below.

• Shape

• basicity

• combustion

• density

• reactivity

Multiple Choice

"Everything is composed of atoms" was stated by:

• Democritis
• Dalton
• Moseley
• Einstein

Multiple Choice

The "plum pudding" model was proposed by:

• Moseley
• Millikin
• Democritis
• JJ Thomson

Multiple Choice

Which scientist came up with the theory that electrons orbited around the nucleus in shells?

• Bohr

• Thomson

• Rutherford

Multiple Choice

Which element is shown in this Bohr Diagram?

• Magnesium

• Nitrogen

• Scandium

• Sodium

Multiple Choice

How many valence electrons does Flourine have?

• 9

• 2

• 7

• 10

Multiple Choice

How many orbitals does Nickel have?

• 3

• 4

• 5

• 10

Multiple Choice

What is the atomic mass?

• 58.693

• 28

Multiple Choice

How many protons and electrons does nickel have?

• 28

• 58.69

Multiple Choice

How many valence electrons does the element have?

• 1

• 2

• 3

• 4

Multiple Select

What are the three main groups of the periodic table?

• groups

• metal

• nonmetals

• metalloids

• periods

Multiple Select

What are the three main groups of the periodic table?

• groups

• metal

• nonmetals

• metalloids

• periods