ISL Semester 2 Final Review

Question 1

What causes ionization?

Accepted Answer

gain electrons, lose electrons

Question 2

Archimedes principle states that the buoyant force of an object is equal to the ___ of the displaced volume of fluid.

Accepted Answer

weight

Question 3

What are the units of measure for amount of a substance?

Accepted Answer

moles

Question 4

Turns blue litmus paper red

Accepted Answer

Acid

Question 5

Milk changing to yogurt due to bacteria

Accepted Answer

Chemical

Question 6

What are the three understandings of atomic theory?

Accepted Answer

All matter is made of atoms, Atoms can combine to form new substances/molecules, Atoms of the same element are the same

Question 7

Which principle describes the properties of fluids in motion?

Accepted Answer

Bernoulli

Question 8

pH 2

Accepted Answer

Strong Acid

Question 9

Most formulas end with an “OH” hydroxide

Accepted Answer

Base

Question 10

The whole point of atoms joining each other in a compound is to ____

Accepted Answer

Fill their outermost energy level and become stable

Question 11

Fluid’s resistance to flow is called

Accepted Answer

viscosity

Question 12

What are the units of measure for mass?

Accepted Answer

grams

Question 13

The order of elements on the periodic table of elements is determined by ____.

Accepted Answer

number of protons

Question 14

Which of the following is exothermic?

Accepted Answer

freezing

Question 15

Which of the following are pure substances?

Accepted Answer

Elements, Compounds

Question 16

Tastes sour

Accepted Answer

Acid

Question 17

Which of the following is a compound?

Accepted Answer

Carbon Dioxide

Question 18

Trinitrogen Hexaoxide’s formula would be?

Accepted Answer

N3O6

Question 19

The hydronium ion concentration in a solution is measured by what?

Accepted Answer

pH

Question 20

If the hydronium ion concentration of a solution is 0.00000001, what is the pH?

Accepted Answer

8

Question 21

Temperature is the measure of the average _________ _______ of a substance.

Accepted Answer

Kinetic Energy

Question 22

KBr + Mg →MgBr + K

Accepted Answer

Single Displacement

Question 23

What is the only state of matter that is not a fluid?

Accepted Answer

solid

Question 24

Ionic bonds form between a ____ and a ____.

Accepted Answer

metal and nonmetal

Question 25

Which is not a factor that will speed up a chemical reaction?

Accepted Answer

Amount of substance

Question 26

What is the density of an object that has a mass of 250 g and a volume of 100 mL?

Accepted Answer

3 g/mL

Question 27

What is the science of the study of matter, what its made of, and how it changes?

Accepted Answer

Chemistry

Question 28

When a liquid turns to a gas

Accepted Answer

Evaporation

Question 29

What is defined as anything that has mass and takes up space?

Accepted Answer

Matter

Question 30

What is the name of Ca3N2?

Accepted Answer

Calcium Nitride

Question 31

Substances that undergo the change in a chemical reaction are called ___.

Accepted Answer

Products

Question 32

Combustion of gasoline

Accepted Answer

Chemical

Question 33

Which state of matter has definite volume but not definite shape?

Accepted Answer

liquid

Question 34

How many total atoms are in H3PO4?

Accepted Answer

8

Question 35

2NaClO3 →2NaCl + 3O2

Accepted Answer

Decomposition

Question 36

When two Fluorine atoms bond, the positive nucleus of one atom attracts the ____ ____ of the other atom

Accepted Answer

Negative electrons

Question 37

pH 8

Accepted Answer

Base

Question 38

Substances that are formed in chemical reactions are called ___.

Accepted Answer

Reactants

Question 39

These determine the chemical properties of an atom

Accepted Answer

valence electrons

Question 40

According to the Kinetic theory, if temperature is increased, which will not happen to the particles of a substance.

Accepted Answer

Grow larger

Question 41

When the temperature of a gas increases, the volume of the gas _____

Accepted Answer

increases

Question 42

Covalent bonds form between _____ only.

Accepted Answer

nonmetals

Question 43

Balance the equation __NaClO3 →__NaCl + __O2

Accepted Answer

2:2:3

Question 44

Pounding a sheet of aluminum foil

Accepted Answer

Physical

Question 45

How many valence electrons does Carbon have?

Accepted Answer

4

Question 46

What type of reaction occurs when energy is taken from the surroundings and put into the reactants?

Accepted Answer

Endothermic

Question 47

What two things determine the speed of atoms and molecules in substances?

Accepted Answer

Size of the atoms/molecules, Temperature/Amount of Energy of the material

ISL Semester 2 Final Review

Questions 47

ISL Semester 2 Final Review

Questions 47