Chem Part II Review

Question 1

Where is all the mass of this "thing" located?

Accepted Answer

nucleus

Question 2

Physical or chemical change: dropping food coloring into water to make it pink.

Accepted Answer

physical

Question 3

Which location on the periodic table has the larger mass?

Accepted Answer

D

Question 4

The solute changes the ____________ of a solvent in a solution.

Accepted Answer

physical properties

Question 5

What are the parts of a solution?

Accepted Answer

solute & solvent

Question 6

A stone displaces 20 mL of water and has a mass of 50 g. What is its density?

Accepted Answer

2.5

Question 7

Solutions with higher concentrations of solute are said to be ______

Accepted Answer

concentrated

Question 8

Which is a physical property?

Accepted Answer

color, state of matter

Question 9

How many electrons does this element have?

Accepted Answer

4

Question 10

What effect does PRESSURE have on the solubility of SOLIDS?

Accepted Answer

pressure has no effect on the solubility of solids

Question 11

If your stomach produces too much acid, you should take a ________ to neutralize it.

Accepted Answer

base

Question 12

What is the most common solvent?

Accepted Answer

water, dihydrogen monoxide

Question 13

A mixture with an even distribution of molecules is said to be

Accepted Answer

homogeneous, a solution

Question 14

Solutions with lower concentrations of solute are said to be ______

Accepted Answer

dilute

Question 15

A solution that holds the maximum amount of solute that can be dissolved is called _________.

Accepted Answer

saturated

Question 16

What is meant by concentration?

Accepted Answer

thinking hard about a question, amount of solute dissolved in a solution at a given temp.

Question 17

A solution with more than the max amount of solute is super-saturated. How is this possible?

Accepted Answer

by adding heat, we are able to increase the solubility

Question 18

What is the 4 in the diagram called?

Accepted Answer

atomic number

Question 19

Evidence for chemical change:

Accepted Answer

burning, change in temperature, new substance is formed

Question 20

An ice cube has a density of 1.0 g/mL and a mass of 37 g. How much space does it take up?

Accepted Answer

37 mL

Question 21

A substance with a pH of 11 is considered

Accepted Answer

a base

Question 22

Evidence for chemical change: choose ALL correct answers!

Accepted Answer

fizzing, bubbling, change in color

Question 23

What is the portion of the atom called where the red and white circles are?

Accepted Answer

nucleus

Question 24

What is the atomic mass of this element?

Accepted Answer

9.012

Question 25

How many protons does this element have?

Accepted Answer

4

Question 26

What are the blue circles in the diagram?

Accepted Answer

electrons

Question 27

How many neutrons does this element have?

Accepted Answer

5

Question 28

Physical or chemical change: frying an egg

Accepted Answer

chemical

Question 29

What effect does PRESSURE have on the solubility of GASES?

Accepted Answer

increased pressure increases solubility of gases, decreased pressure decreases the solubility of gases

Question 30

A mixture with an uneven distribution of molecules is said to be

Accepted Answer

heterogeneous

Question 31

What is a suspension?

Accepted Answer

mixture in which particles are large enough 2 B filtered out, when you get in trouble and Mr. Dean sends you home, mixture where particles are too large to go into solution

Question 32

Which location on the periodic table has the larger size?

Accepted Answer

E

Question 33

What is a mixture?

Accepted Answer

2+ substances that are physically combined, combined substances that can be physically separated

Question 34

The __________ is the part of a solution that is present in a greater quantity.

Accepted Answer

solvent

Question 35

Which is a chemical property?

Accepted Answer

chemical composition, flammability

Question 36

Which location on the periodic table has the higher density?

Accepted Answer

B

Chem Part II Review

Questions 36

Chem Part II Review

Questions 36