Quiz about Fall 2023 semester review

Question 1

A + B --> AB

Accepted Answer

synthesis

Answer

decomposition

Answer

single replacement

Answer

combusion

Question 2

What should you yell if you break glass in Mrs Keaveney's class?

Accepted Answer

emergency

Answer

oops

Answer

whoopsie

Answer

gosh darn it

Question 3

2 ANSWERS. What is a true statement about weight and mass?

Accepted Answer

Gravity can change the weight of an object.

Accepted Answer

Mass is constant.

Answer

Gravity can change the mass of an object

Answer

Weight is constant.

Question 4

What do you wear to protect your eyes during lab experiments?

Accepted Answer

Goggles

Answer

Apron

Answer

Gloves

Answer

Fire blanket

Question 5

What is the metric unit for mass?

Accepted Answer

Gram

Answer

Liter

Answer

Meter

Answer

Second

Question 6

What is the metric unit for volume?

Accepted Answer

Liter

Answer

Meter

Answer

Gram

Answer

Second

Question 7

What type of change is required to form a compound?

Accepted Answer

Chemical

Answer

Physical

Question 8

What scientist discovered electrons?

Accepted Answer

Thompson

Answer

Bohr

Answer

Rutherford

Answer

Democritus

Question 9

Who discovered that an atom has a small, dense, positively charged nucleus?

Accepted Answer

Rutherford

Answer

Bohr

Answer

Thompson

Answer

Dalton

Question 10

What family of elements is primarily nonreactive?

Accepted Answer

Noble gasses

Answer

Alkali metals

Answer

Alkaline earth metals

Answer

Halogens

Question 11

Which element has the highest electronegativity?

Accepted Answer

Fluorine

Answer

Hydrogen

Answer

Francium

Question 12

What is the most accurate tool to measure volume of a liquid?

Accepted Answer

Graduated cylinder

Answer

Beaker

Answer

Test tube

Answer

Flask

Question 13

Which would be a homogenous mixture?

Accepted Answer

Sugar and water

Answer

Sand and water

Answer

Sand and iron

Answer

Sugar and sand

Question 14

Can you physically separate a compound?

Accepted Answer

No

Answer

Yes

Question 15

Formula units are held together by...

Accepted Answer

Ionic bonds

Answer

Covalent bonds

Answer

Intermolecular bonds

Question 16

Who conducted the Gold Foil experiment?

Accepted Answer

Rutherford

Answer

Thompson

Answer

Bohr

Answer

Dalton

Question 17

A scientist observed that particles in a sample are vibrating in a fixed position. What state of matter does this describe?

Accepted Answer

Solid

Answer

Plasma

Answer

Gas

Answer

Liquid

Question 18

Molecules are held together by...

Accepted Answer

Covalent bonds

Answer

Ionic bonds

Answer

Intermolecular forces

Question 19

What type of bond involves a metal and a nonmetal?

Accepted Answer

Ionic

Answer

Covalent

Answer

Metallic

Question 20

What is the bond type and name for NO3?

Accepted Answer

covalent, nitrogen trioxide

Answer

covalent, nitrogen oxide

Answer

ionic, nitrogen oxide

Answer

ionic, nitrogen trioxide

Question 21

Will water (a polar substance) dissolve another substance that is also polar?

Accepted Answer

Yes

Answer

No

Answer

Only in the summer

Question 22

What is the IUPAC name for CaCl2?

Accepted Answer

calcium chloride

Answer

calcium dichloride

Question 23

Which scientist designed the basis of our modern periodic table?

Accepted Answer

Dmitri Mendeleev

Answer

Ernest Rutherford

Answer

Gregor Mendel

Answer

John Dalton

Question 24

What group is known as the alkali metals?

Accepted Answer

1

Answer

2

Answer

17

Answer

18

Question 25

How many neutrons are in carbon-13?

Accepted Answer

7

Answer

13

Answer

6

Answer

-13

Question 26

What changes between isotopes of an element?

Accepted Answer

number of neutrons

Answer

number of electrons

Answer

number of protons

Answer

nothing

Question 27

How many valence electrons do noble gases have (except for helium)?

Accepted Answer

8

Answer

1

Answer

2

Answer

7

Question 28

Which group of elements has an ionic charge of -1?

Accepted Answer

17

Answer

1

Answer

2

Answer

16

Question 29

Candle wax melts.

Accepted Answer

Physical change

Answer

Chemical change

Question 30

Sample B has a mass of 34.78 grams.

Accepted Answer

Physical property

Answer

Chemical Property

Question 31

What is the standard unit of temperature for science?

Accepted Answer

Kelvin

Answer

Farenheit

Answer

Celsius

Question 32

Which response has the correct number of significant figures?

15.6 g / 3.2 L

Accepted Answer

4.9 g / L

Answer

4.875 g / L

Answer

4.88 g / L

Answer

5 g/L

Question 33

What piece of lab equipment is a cylinder with a flat bottom?

Accepted Answer

Beaker

Answer

Flask

Answer

Test tube

Question 34

Particles are mostly loosely held together in a substance in the _____ state.

Accepted Answer

Gas

Answer

Liquid

Answer

Solid

Question 35

How would you classify zinc?

Accepted Answer

element

Answer

formula unit

Answer

molecule

Answer

mixture

Question 36

Who made the plum pudding model of the atom?

Accepted Answer

Thompson

Answer

Schrodinger

Answer

Rutherford

Answer

Bohr

Question 37

Who discovered that atoms have specific energy levels for electrons?

Accepted Answer

Bohr

Answer

Schrodinger

Answer

Democritus

Answer

Rutherford

Question 38

Reactivity to oxygen

Accepted Answer

Chemical property

Answer

Physical property

Question 39

Convert 732 mL to L.

Accepted Answer

0.732 L

Answer

73.2 L

Answer

7.32 L

Answer

7320 L

Question 40

Subatomic particle with a positive charge

Accepted Answer

proton

Answer

electron

Answer

neutron

Question 41

If an atom loses electrons, it becomes a __________

Accepted Answer

cation

Answer

anion

Answer

neutral ion

Question 42

Model which describes bonding within metals

Accepted Answer

Electron-sea model

Answer

Ionic model

Answer

Covalent model

Question 43

Sharing electrons between nonmetal atoms

Accepted Answer

Covalent bonding

Answer

Electron sea model

Answer

Ionic bonding

Question 44

Atomic mass comes from

Accepted Answer

protons and neutrons

Answer

electrons and protons

Answer

neutrons and electrons

Answer

valence electrons

Question 45

Calcium bromide

Accepted Answer

CaBr2

Answer

CBr

Answer

CaBr

Answer

Ca2Br

Question 46

lead (II) oxide

Accepted Answer

PbO

Answer

LO

Answer

L2O

Answer

Pb2O

Question 47

1 kilometer = ? meters

Accepted Answer

1000

Answer

0.10

Answer

10

Answer

100

Question 48

Choose 2 indicators of a chemical reaction

Accepted Answer

formation of a gas

Accepted Answer

formation of a precipitate

Answer

sample dissolving

Answer

sample growing

Question 49

Procedure if you get a chemical on your bare skin

Accepted Answer

Rinse and contact the teacher

Answer

Die

Answer

Hide from the teacher

Question 50

Water and Cheerios are placed together in a bowl.

Accepted Answer

Physical change

Answer

Chemical change

Question 51

How many protons in an aluminum atom?

Accepted Answer

13

Answer

30

Answer

3

Answer

17

Question 52

How many total electrons in Na+ ion?

Accepted Answer

10

Answer

12

Answer

11

Question 53

Which is NOT a state of matter?

Accepted Answer

Texas

Answer

Gas

Answer

Solid

Answer

Liquid

Question 54

Name of C2H4

Accepted Answer

dicarbon tetrahydride

Answer

carbon hydride

Answer

dicarbon hydride

Answer

carbon tetrahydide

Question 55

Type of element that tends to be solid and a good conductor

Accepted Answer

Metal

Answer

Nonmetal

Answer

Metalloid

Question 56

Is this equation balanced?

H2 + O2 -->. H2O

Accepted Answer

No

Answer

Yes

Question 57

Where do you find valence electrons?

Accepted Answer

High energy level

Answer

Low energy level

Answer

Inside the nucleus

Question 58

What is the atomic number of Fluorine?

Accepted Answer

9

Answer

18

Answer

17

Answer

7

Question 59

AB + C --> A + CB

Accepted Answer

single replacement

Answer

decomposition

Answer

combustion

Answer

synthesis

Question 60

The reactivity of an element depends on the number of protons.

Accepted Answer

False

Answer

True

Question 61

The ________ rule says that an atom will gain or lose electrons to reach a full outer shell.

Accepted Answer

octet rule

Answer

stabilization rule

Answer

ionization rule

Question 62

Which element is larger?

Accepted Answer

Sulfur

Answer

Oxygen

Question 63

Select ALL choices that are EXTENSIVE properties.

Accepted Answer

volume

Accepted Answer

mass

Answer

melting point

Answer

density

Question 64

What do you do with long hair during a lab experiment?

Accepted Answer

Pull it back with a hair tie

Answer

Cover it with a hat

Answer

Cut it

Answer

Burn it

Fall 2023 semester review

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