1st Semester Exam Review

1.

1 point

horizontal rows on the periodic table

periods

columns

groups

families

2.

1 point

Convert 7300 mg to kg

0.073 kg

0.0073 kg

7.3 kg

73 kg

3.

1 point

electrons in the outermost energy level

valence electrons

orbital electrons

nuclear electrons

inner electrons

4.

1 point

the study of the properties and changes of matter and their relation to energy

inorganic chemistry

organic chemistry

physical chemistry

biochemistry

5.

1 point

Which of the following is a physical property of matter

flammability

boiling point

reactivity

all of the above

6.

1 point

Discovered the electron

Thomson

Schrodinger

Democritus

Dalton

Rutherfors

7.

1 point

Summarized the 5 Postulates of the Atomic Theory

Dalton

Thomson

Rutherford

Democritus

Schrodinger

8.

1 point

vertical columns on the periodic table

group

period

row

sections

9.

1 point

neutral subatomic particle

electron

neutron

proton

10.

1 point

first person to propose the idea of the atom

Schrodinger

Thomson

Rutherford

Democritus

Dalton

11.

1 point

number of protons

mass number

average atomic mass

atomic number

isotope number

12.

1 point

Calculate the density of an unknown sample that occupies 22.5 mL with a mass of 9.10 g.

13.4 g/mL

2.47 g/mL

0.404 g/mL

205 g/mL

13.

1 point

closeness of a set of measurements to one another

density

precision

volume

accuracy

14.

1 point

Convert 85 km to cm

0.00085

8,500,000

0.0085

85,000

15.

1 point

amount of matter that an object contains

weight

mass

density

volume

16.

1 point

positively charged subatomic particle

electron

proton

neutron

17.

1 point

What is the volume of a 56 g sample with a density of 6.12 g/mL?

9.15 mL

318 mL

0.118 mL

58.1 mL

18.

1 point

Which of the following is NOT a chemical change?

hydrogen reacting with oxygen

water boiling

baking soda reacting with vinegar

food spoiling

19.

1 point

Convert 6.7 m to cm

670 cm

0.067 cm

67 cm

0.67 cm

20.

1 point

What do all atoms of the same element have in common?

atomic number

mass number

isotope number

number of electrons

21.

1 point

Which of the following is a chemical property of matter?

rusting

decomposing

reacting with oxygen

all of the above

22.

1 point

SI base unit for volume

mol

m

kg

mL

23.

1 point

SI base unit for length

kg

m

mL

K

24.

1 point

SI base unit for time

m

kg

mol

s

25.

1 point

the study of substance that do NOT contain carbon

organic chemistry

inorganic chemistry

physical chemistry

biochemistry

26.

1 point

anything that has mass and takes up space

density

matter

volume

weight

27.

1 point

the study of substances and processes that occur in living things

biochemistry

organic chemistry

inorganic chemistry

physical chemistry

28.

1 point

Convert 92 kg to g

0.092 g

92,000 g

9200 g

0.92 g

29.

1 point

atoms with the same number of protons but difference number of neutrons, different masses

molecule

isotope

ion

compound

30.

1 point

3D space occupied by any sample

weight

volume

mass

density

31.

1 point

smallest unit of an element that retains the properties of that element

electron

atom

neutron

proton

32.

1 point

SI base unit for temperature

oC

oF

K

mol

33.

1 point

number of protons and neutrons in the atom

mass number

isotope number

electronegativity

atomic number

34.

1 point

ratio of mass to volume

denisty

conservation

weight

matter

35.

1 point

SI base unit for amount of substance

mole

m

kg

s

36.

1 point

Which of the following is NOT a physical change?

burning candle

tearing paper

dissolving sugar in water

ice melting

37.

1 point

How many protons are in Carbon-11?

5

6

11

not enough information

38.

1 point

negatively charged subatomic particle

proton

electron

neutron

39.

1 point

Suggested that electrons travel in complex 3-D orbitals

Schrodinger

Rutherford

Thomson

Dalton

Democritus

40.

1 point

Discovered the nucleus

Rutherford

Thomson

Schrodinger

Dalton

Democritus

41.

1 point

testable statement that serves as a prediction for the outcome of an experiment

hypothesis

law

theory

control variable

42.

1 point

Convert 0.0046 hm to cm

46 cm

0.46 cm

0.046 cm

460 cm

43.

1 point

bond that results from the attraction of oppositely charged ions

covalent bond

ionic bond

polar bond

metallic bond

44.

1 point

the study of matter and the changes it undergoes

physics

chemistry

biology

earth science

45.

1 point

states that in any physical or chemistry reaction mass is neither created or destroyed, it is conserved

law of conservation of mass

law of multiple proportions

law of definite proportions

law of weight

46.

1 point

What is the mass of a sample with a density of 6.48 g/mL and a volume of 25 mL?

162 g

0.259 g

18.5 g

3.86 g

47.

1 point

closeness of a measurement to the accepted value

density

accuracy

precision

weight

48.

1 point

bond that results from atoms sharing one or more pairs of electrons

ionic bond

metallic bond

covalent bond

49.

1 point

the study of carbon containing compounds

inorganic chemistry

physical chemistry

organic chemistry

biochemistry

50.

1 point

SI base unit for mass

kg

mL

s

m

1st Semester Exam Review - Chemistry