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Chemistry Exam Semester Review -GP

Total questions: 60

Worksheet time: 20mins

Name
Class
Date
1.

Protons have a _______Charge

a)

positive

b)

negative

c)

no

2.

This subatomic particle has a negative charge and is found outside the nucleus.

a)

proton

b)

neutron

c)

electron

d)

quark

3.

The atomic number on the periodic table is always the same as the number of

a)

protons

b)

neutrons

c)

electrons

d)

quarks

4.

Hyphen notation can be used to represent isotopes. Which is the most common isotope of carbon.

a)

C-12

b)

C-13

c)

C-14

5.

How many neutrons would a C-14 contain?

a)

6

b)

12

c)

14

d)

8

6.

How many neutrons would be found in a stable isotope of Zn-65

a)

65

b)

30

c)

35

d)

25

7.

How many protons are in the nucleus of an atom of Osmium (Os)

a)

190

b)

76

c)

114

8.

Which list of elements contains at least one metal

a)

P,S,Cl

b)

N, Br, O

c)

In, F , H

d)

He, Xe, I

9.

Which is NOT example of a physical change?

a)

fermenting a pickle

b)

sublimation of iodine

c)

melting potassium chloride

d)

dissolving sugar in water

10.

Which is NOT an example of a chemical change?

a)

digestion of food

b)

cooking an egg

c)

combustion of butane

d)

vaporization of dihydrogen monoxide

11.

Which element list has 2 valence electrons

a)

Li

b)

Ca

c)

Ne

d)

C

12.

Which element listed has 7 valence electrons?

a)

Na

b)

Br

c)

Si

d)

Ar

13.

Which electron configuration represents sodium (Na)

a)

1s2, 2s2, 2p6, 3s2

b)

1s2, 2s2, 2p7

c)

1s2, 2s2, 2p6, 3s1

d)

1s2, 2s2, 2p6, 2s1

14.

What is the correct electron configuration for Aluminum (Al)?

a)

1s2, 2s2, 2p6, 3s2,3p1

b)

1s2, 2s2, 2p6, 3s2,3p6

c)

1s2, 2s2, 2p5, 3s2,3p2

d)

1s13

15.

Which electron configuration represents an atom with 7 valence electrons?

a)

(Ne) 3s2,3p3

b)

(Kr) 4d1 , 5s2, 5p4

c)

Kr) 4d10 , 5s2, 5p4

d)

(Ar) 3d10,4s2,, 4p5

16.

Which includes a physical property of an element?

a)

sodium is water reactive

b)

methane is flammable

c)

silicon is shiny

d)

iron easily oxidizes

17.

If an atom has 26 neutrons, 22 protons and 22 electrons it is?

a)

iron

b)

cadmium

c)

titanium

d)

copper

18.

What is the mass displayed on the triple beam balance?

a)

190 g

b)

191 g

c)

190.04 g

d)

190.40 g

19.

Nuclear notation for Lithium is displayed. What is the correct number of protons, neutrons and electrons.

a)

3,7,3

b)

7,3,3

c)

3,4,3

d)

4,3,7

20.

What is the mass number displayed in the nuclear notation.

a)

29

b)

63

c)

28

d)

92

21.

What is the number of protons, neutron and electrons displayed.

a)

17, 18, 17

b)

17,19,17

c)

17,19,18

d)

17,19,16

22.

Which is Not a member of the alkali family of metals?

a)

K

b)

Mg

c)

Na

d)

Rb

23.

Which is not a member of the halogen family?

a)

S

b)

Cl

c)

Br

d)

I

24.

Which element is a noble gas?

a)

Br

b)

Rn

c)

N

d)

O

25.

As wavelength increases, which is also true?

a)

frequency increases

b)

frequency decreases

c)

speed of the wave increases

d)

Planck's constant decreases

26.

The periodic table is ordered by increasing

a)

atomic number

b)

atomic mass

c)

atomic mass and number

d)

number of electrons

27.

Elements have similar properties that are in the same

a)

period (horizonal row)

b)

group (vertical column)

c)

hemisphere

d)

configuration

28.

The following electron configuration represents which element?

a)

Neon

b)

Sodium

c)

Calcium

d)

Potassium

29.

Which phase of matter has a definite volume but no definite shape?

a)

solid

b)

liquid

c)

gas

d)

plasma

30.

Which best describes the process of condensation

a)

gas to liquid

b)

solid to liquid

c)

liquid to gas

d)

solid to gas

31.

Atoms interact with each other by sharing or transferring

a)

electrons

b)

valence electrons

c)

protons

d)

neutrons

32.

Which is not an intensive property?

a)

color

b)

weight

c)

density

d)

boiling point

33.

Which is not an extensive property?

a)

weight

b)

mass

c)

volume

d)

flammability

34.

Intensive properties do not change if the size of the sample changes.

a)

true

b)

false

35.

What is the symbol for calcium?

a)

C

b)

Cr

c)

Ca

d)

Cl

36.

Which is a Latin symbol for an element?

a)

P

b)

Ca

c)

Na

d)

Cl

37.

A neutral atom has the same number of protons and___?

a)

neutrons

b)

quarks

c)

electrons

d)

atoms

38.

What happens when Calcium forms a positive 2 ion? Ca+2

a)

it gains two electrons

b)

it loses two electrons

c)

it becomes radioactive

d)

it becomes an anion

39.

How many valence electrons does Nitrogen have?

a)

3

b)

4

c)

5

d)

6

40.

How many electrons will nitrogen gain to become stable like a noble gas?

a)

1

b)

2

c)

3

d)

4

41.

Metals lose electrons and non metals gain electrons when forming ions. Which below is NOT correct?

a)

Na+1

b)

Ca+3

c)

Cl-1

d)

Cl+1

42.

Displayed is the Lewis Structure for oxygen gas. Which best describes the bond type and electron pairs?

a)

single bond with 4 lone pairs of electrons

b)

double bond with 4 lone pairs of electrons

c)

triple bond with 8 lone pairs of electrons

d)

single bond with 4 electrons

43.

What is the for the elements in the "d" block?

a)

alkali metals

b)

alkali earth metals

c)

transition metals

d)

semiconductors

44.

Which is evidence of a chemical change?

a)

Change in shape

b)

Change in texture

c)

Bubbling

d)

formation of a precipitate

45.

Which is not a type of physical change?

a)

condensing

b)

melting

c)

sublimating

d)

burning

46.

What would have the electron configuration 1s2

a)

H

b)

He

c)

Ha

d)

Ca

47.

What would have the electron configuration

1s2,2s2,2p6,3s2, 3p6,4s2,3d6

a)

Cr

b)

F

c)

V

d)

Fe

48.

Which is not a Chemical reaction?

a)

fermentation

b)

tarnishing

c)

rusting

d)

vaporizing

49.

What is the volume indicated on the graduated cylinder?

a)

40 ml

b)

40.3 ml

c)

43.0 ml

d)

40.03 ml

50.

Which is a distinctive chemical property of the noble gases?

a)

transparent color

b)

low density

c)

resistance to form compounds

d)

flammability

51.

Elements in group 1 will most likely react with

a)

elements in group 17 halogens

b)

elements in group 16

c)

no other elements

d)

elements in group 2 alkali metals

52.

Which subatomic particles contribute only mass to an atom?

a)

proton

b)

neutron

c)

electron

d)

quark

53.

How many neutrons are found in Palladium? Pd-106

a)

46

b)

106

c)

50

d)

60

54.

Which physical property is being displayed in the photo?

a)

density

b)

sublimation

c)

viscosity

d)

frequency

55.

Which physical phase change is being displayed in the photo?

a)

condensation

b)

vaporization

c)

diffussion

d)

sublimation

56.

Which Lewis dot diagram is displaying the correct number of valence electrons for Calcium?

a)

A

b)

B

c)

C

d)

D

57.

Which color of visible light has the lowest energy but the longest wavelength

a)

red

b)

orange

c)

blue

d)

violet

58.

Which color has the highest energy on the visible light spectrum?

a)

red

b)

orange

c)

yellow

d)

violet

59.

Which element would not have an electron configuration ending in s1

a)

Li

b)

Na

c)

C

d)

Fr

60.

Which element symbol is not representative of a famous scientist?

a)

Cm

b)

Es

c)

Eu

d)

Fm

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