wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Chem Midyear review H

Total questions: 60

Worksheet time: 52mins

Name
Class
Date
1.

Two elements that are chemically combined is called..

a)

a compound

b)

an isotope

c)

a mixture

d)

a solution

2.

Matter that is a PHYSICAL combination of elements is called...

a)

a compound

b)

An isotope

c)

a mixture

d)

a solution

3.

Which of the following are BOTH pure substances

a)

an element and a mixture

b)

an element and a compound

c)

a solution and a mixture

d)

a solution and a compound

4.

If I have a NONMETAL, which of the following properties does it have?

a)

good conductor of heat

b)

good conductor of electricity

c)

malleable

d)

brittle

5.

Which of the following is a property of METALS?

a)

semi conductors

b)

lustrous

c)

brittle

d)

gases at room temperature

6.

Which of the following is an example of a homogeneous mixture?

a)

Sodium

b)

Barium Sulfide

c)

black coffee

d)

pizza

7.

Which of the following IS true about the nucleus of an atom?

a)

made of empty space

b)

positively charged

c)

negatively charged

d)

contains nearly all of the atoms volume

8.

The atomic number of an element is

a)

the number of protons in the nucleus

b)

the number of electrons in the electron cloud

c)

the number of neutrons in the nucleus

d)

the mass of the element

9.

Ra-166 contains

a)

88 protons

b)

138 electrons

c)

88 neutrons

d)

226 protons 

10.

What is the atomic number of an element with 12 protons, 13 neutrons and 14 electrons

a)

13

b)

25

c)

14

d)

12

11.

Which of the following is the most abundant isotope of carbon

a)

C-12

b)

C-13

c)

C-14

d)

C-11

12.

When given multiple isotopes, how can you tell which one is the most abundant?

a)

the mass number is the smallest

b)

the mass number is the biggest

c)

The mass number of that isotope is closest to the average atomic mass of that element

d)

pure will power and strength

13.

If element Y has two isotopes. One with an atomic mass of 84.9 and 72% abundance. The other with an atomic mass of 87 and 28% abundance. What would you expect the average atomic mass to be closest to?

a)

84.9

b)

87

14.

How many grams of Silicon do I have in 3.5 mol of Silicon

a)

28 g

b)

35 g

c)

72 g

d)

98 g

15.

Where is an electron most likely found in the atom?

a)

nucleus

b)

ion

c)

electron cloud

d)

the excited state

16.

How many electrons can fit in the s sublevel?

a)

2

b)

3

c)

5

d)

7

17.

How many electrons are in the p orbital fit?

a)

1

b)

6

c)

3

d)

4

18.

For an element to emit a photon of light, an electron must move from,

a)

low to high energy levels, emitting energy

b)

low to high energy levels, absorbing energy

c)

high to low energy levels, emitting energy

d)

high to low energy levels, absorbing energy

19.

Which of the following is the electron configuration of Be?

a)

1s22s22p63s1

b)

1s2

c)

1s22s22p6

d)

1s22s2

20.

Which atom has 2 unpaired electrons in its outermost energy level (valence)

a)

Li

b)

O

c)

B

d)

Ne

21.

How many valence electrons does N have?

a)

5

b)

8

c)

7

d)

6

22.

The properties of elements are based on that elements

a)

mass number

b)

atomic masses

c)

atomic radii

d)

atomic numbers

23.

Which of the following has the largest atomic radius?

a)

Li

b)

B

c)

Be

d)

C

24.

Which of the following has the smallest atomic radius

a)

Na

b)

Na+

c)

Na+2

d)

Na-

25.

What is the ability to gain an electron called?

a)

kinetic energy

b)

potential energy

c)

ionization energy

d)

electron affinity

26.

Which of the following atoms has the highest ionization energy?

a)

I

b)

Br

c)

Cl

d)

F

27.

Br has similar properties to

a)

K

b)

Kr

c)

Hg

d)

F

28.

Ba+2 differs from a Ba atom because Ba+2 has

a)

more protons

b)

more electrons

c)

fewer protons

d)

fewer electrons

29.

How many electrons are in O-2

a)

10

b)

8

c)

6

d)

12

30.

Of the following Metallic bonding would occur between atoms of

a)

Xenon

b)

Chlorine

c)

Hydrogen

d)

Cobalt

31.

Potassium forms an ion with a charge of 1+

a)

by losing one electron

b)

by gaining an electron

32.

A carbon ATOM and a Carbon ION will always have the same number of

a)

electrons

b)

protons

c)

neutrons

33.

Halogens have

a)

high ionization energies

b)

large radii

c)

low ionization energies

d)

low electronegativities

34.

What family has the smallest electronegativities?

a)

Alkali metals

b)

Alkaline earth metals

c)

Halogens

d)

noble gases

35.

A chemical bond between both element's

a)

attraction from protons to the neutrons

b)

attraction from the nuclei to the electrons

c)

repulsion from the valence electrons of the atoms

d)

repulsion from the protons in the two nuclei

36.

two atoms with an electronegativity difference of 0.5 form a bond that is

a)

ionic

b)

polar covalent

c)

nonpolar covalent

d)

metallic

37.

Which pair of elements form an ionic bond with each other

a)

KCl

b)

PCl

c)

ICl

d)

HCl

38.

In the lewis structure of NH3, how many pairs of electrons are on the N atom

a)

1

b)

2

c)

4

d)

0

39.

Using VSEPR theory, predict the shape of NH3

a)

Trigonal planar

b)

Trigonal pyramidal

c)

Tetrahedral

d)

bent

40.

What is the dominant intermolecular force between molecules of H2S?

a)

Hydrogen bonding

b)

Van der Waals forces

c)

London Dispersion

d)

Dipole-Dipole

41.

Based on its atomic mass of 15.99 g/mol, which isotope below of Oxygen is most abundant?

a)

Oxygen - 21

b)

Oxygen - 14

c)

Oxygen - 17

d)

Oxygen - 16

42.

Ra-226 contains

a)

88 neutrons

b)

138 neutrons

c)

226 electrons

d)

226 protons

43.
All of these properties describe metals except...
a)
malleable
b)
conductors
c)
brittle 
d)
shiny
44.
Which element is least likely to conduct heat and electricity? 
a)
O
b)
Si
c)
Po
d)
Ca
45.
Aluminum can be hammered into different shapes or rolled into flat sheets. This means Aluminum is 
a)
ductile
b)
malleable
c)
lustrous
d)
high density
46.

This type of element loses its valence electrons easily.

a)

metal

b)

nonmetal

c)

metalloid

47.

Metals can be drawn into thin wires. This property is known as being

a)

malleable

b)

ductile

c)

conductive

d)

lusterous

48.

Elements and compounds are considered what?

a)

Mixture

b)

Easily Separated

c)

Pure Substance

d)

Impure Mixtures

49.

Solutions are what kind of mixture?

a)

Pure

b)

Heterogeneous

c)

Homogeneous

d)

Colloids

50.

Which types of mixture can be identified by the Tyndall Effect?

a)

Solutions

b)

Colloids

c)

Suspensions

d)

Compounds

51.

The mass of one mole of an element is equal to

a)

its atomic number from the periodic table, but in amus.

b)

its atomic mass from the periodic table, but in amus.

c)

its atomic mass from the periodic table, but in grams.

d)

its atomic number from the periodic table, but in grams.

52.
One mole is defined as
a)
a small furry creature.
b)
Avogadro's number of something.
c)
6.02 of something.
d)
the mass of a substance.
53.
12.01 grams of carbon atoms is equal to 
a)
1 dozen carbon atoms.
b)
the mass of 12 carbon atoms.
c)
the mass of a carbon atom.
d)
1 mole of carbon.
54.
How many moles is 50 g of Ag (silver)?
a)
0.046 mol Ag
b)
0.46 mol Ag
c)
2.2 mol Ag
d)
22 mol Ag
55.

convert 3 moles of oxygen into grams

a)

potato

b)

48 grams of oxygen

c)

9 grams of oxygen

d)

18 grams of oxygen

56.

convert 22 grams of oxygen into particles/molecules

a)

8.28 x 10^23 molecules of oxygen

b)

8.864 x 10^24 molecules of oxygen

c)

6.022 x 10^23 molecules of oxygen

d)

10 x 10^17

57.
How many moles are in 3.01 x 1022 atoms of magnesium?
a)
0.05 moles
b)
1.81 x 1046 moles
c)
5.00 x 1021 moles
d)
5.00 moles
58.

How many significant figures: 13.00 mL

a)

1

b)

2

c)

3

d)

4

59.

How many significant figures: 0.002 km

a)

1

b)

2

c)

3

d)

4

60.

How many significant figures: 1020 mL

a)

1

b)

2

c)

3

d)

4

Similar Resources on Wayground

Unit 1 Quiz Review

55 questions

Unit 1 Quiz Review

quiz

Worksheet

•

9th - 12th Grade

Physical Science Final Review

60 questions

Physical Science Final Review

quiz

Worksheet

•

9th - 12th Grade

Chemical Changes - GCSE

61 questions

Chemical Changes - GCSE

quiz

Worksheet

•

10th Grade

Characteristics of science

56 questions

Characteristics of science

quiz

Worksheet

•

9th - 12th Grade

Identifying and Balancing Chemical equations

59 questions

Identifying and Balancing Chemical equations

quiz

Worksheet

•

9th - 12th Grade

All about the Electron

62 questions

All about the Electron

quiz

Worksheet

•

9th - 11th Grade

Benchmark

60 questions

Benchmark

quiz

Worksheet

•

10th Grade - University