Free Printable ecm mid way review

1.

The vertical (up and down) columns in the Periodic Table are called

a)

groups

b)

towers

c)

periods

d)

atomic numbers

2.

What does the 6 represent?

a)

atomic mass

b)

atomic number

c)

element name

d)

chemical symbol

3.

What does the C represent?

a)

atomic mass

b)

atomic number

c)

element name

d)

the element's chemical symbol

4.

These are found on the Periodic Table.

a)

Compounds

b)

Elements

c)

Mixtures

5.

The horizontal (side to side) rows in the Periodic Table are called

a)

groups

b)

families

c)

periods

d)

atomic numbers

6.

Which item on this element square is the chemical symbol?

a)

Copper

b)

29

c)

Cu

d)

63.546

7.

The number at the top of each square on the periodic table is the ...

a)

atomic number

b)

atomic mass

c)

Chemical Symbol

d)

Element Name

8.

What is the chemical symbol for Lithium?

a)

H

b)

He

c)

Li

d)

N

9.

Diamonds are a pure form of what element?

a)

Carbon

b)

Oxygen

c)

Silicon

d)

Silver

10.

What period is Oxygen (O) in?

a)

2

b)

4

c)

16

d)

4A

11.

What Element is in period 3, group 1

a)

Fe

b)

Na

c)

H

d)

K

12.

An element can only have one kind of particle (atom) in it.

a)

True

b)

False

13.

How are elements organized in the Periodic Table?

a)

Elements are ordered by atomic weight

b)

Elements are ordered by atomic number

c)

Elements are arranged alphabetically

d)

Elements are grouped color

14.

The atomic NUMBER tells you what?

a)

number of electrons

b)

number of protons

c)

number of neutrons

d)

number of protons AND electrons in an element

15.

The atomic MASS tells you what?

a)

number of electrons

b)

number of protons

c)

number of neutrons

d)

the number of protons + neutrons

16.

How many PROTONS does Beryllium have?

a)

4

b)

9

c)

5

d)

13

17.

How many PROTONS does Boron have?

a)

11

b)

5

c)

16

d)

6

18.

How many NEUTRONS does Boron have?

a)

11

b)

5

c)

16

d)

6

19.

How many ELECTRONS does Fluorine have?

a)

19

b)

10

c)

9

d)

28

20.

How many NEUTRONS does Fluorine have?

a)

19

b)

10

c)

9

d)

28

21.

How many ELECTRONS does Beryllium have?

a)

4

b)

9

c)

5

d)

13

22.

An element with an atomic mass of 7 and an atomic number of 3 would have how many protons?

a)

4

b)

7

c)

3

d)

cannot be determined

23.

How many protons are in this element?

a)

79

b)

196

c)

117

d)

Cannot be determined

24.

How many electrons does potassium K contain? (click to see image)

a)

19

b)

39

c)

20

d)

40

25.

What does the 1.00794 stand for?

a)

Hydrogen

b)

atomic number

c)

atomic mass

d)

atomic explosion

26.

Cu is a _____

a)

Element and Atom

b)

Element and Molecule

c)

Molecule and Compound

27.

Ne is a _____

a)

Element and Atom

b)

Element and Molecule

c)

Molecule and Compound

28.

Al is a _____

a)

Element and Atom

b)

Element and Molecule

c)

Molecule and Compound

29.

Ar is a _____

a)

Element and Atom

b)

Element and Molecule

c)

Molecule and Compound

30.

Ag is a _____

a)

Element and Atom

b)

Element and Molecule

c)

Molecule and Compound

31.

O2 is a _____
(convalently bonded)

a)

Element and Atom

b)

Molecule

c)

Molecule and Compound

32.

N2 is a _____
(covalently bonded)

a)

Element and Atom

b)

Element and Molecule

c)

Molecule and Compound

33.

H2 is a _____
(covalently bonded)

a)

Element and Atom

b)

Molecule

c)

Molecule and Compound

34.

Cl2 is a _____

a)

Element and Atom

b)

Molecule

c)

Molecule and Compound

35.

O3 is a _____

a)

Element and Atom

b)

Element and Molecule

c)

Molecule and Compound

36.

NO2 is a _____
(covalent bonds)

a)

Element and Atom

b)

Element and Molecule

c)

Molecule and Compound

37.

CO2 is a _____
(covalent bonds)

a)

Element and Atom

b)

Molecule

c)

Molecule and Compound

d)

Compound

38.

CH4 is a _____

a)

Element and Atom

b)

Element and Molecule

c)

Molecule and Compound

39.

NH3 is a _____
(covalent bonds)

a)

Element and Atom

b)

Molecule

c)

Molecule and Compound

40.

NaCl is a _____
(ionically bonded)

a)

Element and Atom

b)

Molecule

c)

Compound

41.

Na

a)

Element

b)

Molecule

c)

Compound

42.

NaCl

a)

Element

b)

Molecule

c)

Compound

43.

O₃

a)

Element

b)

Molecule

c)

Compound

44.

Al₂

a)

Element

b)

Molecule

c)

Compound

45.

NaSO₄
_{(ionic bonds)}

a)

Element

b)

Molecule

c)

Compound

46.

Pb

a)

Element

b)

Molecule

c)

Compound

47.

H₂O₂
_{(covalent bonds)}

a)

Element

b)

Molecule

c)

Compound

d)

Molecule and Compound

48.

What is the symbol for Carbon?

a)

C

b)

Ca

c)

Cu

d)

Cl

49.

What is the symbol for Chlorine?

a)

C

b)

Ca

c)

Cu

d)

Cl

50.

What is the symbol for Copper?

a)

C

b)

Ca

c)

Cu

d)

Cl

51.

What is the symbol for Calcium?

a)

C

b)

Ca

c)

Cu

d)

Cl

52.

What is the symbol for Sulfur?

a)

S

b)

Si

c)

Su

d)

Sf

53.

What is the symbol for Gold?

a)

Au

b)

Ag

c)

G

d)

Go

54.

What is the symbol for Silver?

a)

Au

b)

Ag

c)

S

d)

Si

55.

What is the symbol for Oxygen?

a)

O

b)

Ox

c)

H

d)

He

56.

What is the symbol for Hydrogen?

a)

Hy

b)

Hn

c)

H

d)

He

57.

What is the symbol for Nitrogen?

a)

P

b)

K

c)

N

d)

Ni

58.

What is the symbol for Magnesium?

a)

P

b)

Ma

c)

Mg

d)

M

59.

What is the symbol for Lead?

a)

Pb

b)

L

c)

Ld

d)

Al

60.

What is the symbol for Iron?

a)

Fe

b)

L

c)

Ld

d)

N

61.

What is the symbol for Helium?

a)

He

b)

Hl

c)

Hi

d)

Hm

62.

What is the symbol for Sodium?

a)

S

b)

So

c)

Na

d)

K

63.

What is the symbol for Potassium?

a)

Pb

b)

K

c)

F

d)

Ne

64.

What is the symbol for Lithium?

a)

Li

b)

L

c)

Au

d)

S

65.

What is the symbol for Neon?

a)

Li

b)

Ne

c)

Na

d)

F

66.

What is the symbol for Iodine?

a)

I

b)

Pb

c)

Na

d)

F

67.

What is the symbol for Fluorine?

a)

I

b)

Pb

c)

Na

d)

F

68.

What is the symbol for Aluminum?

a)

K

b)

Ag

c)

Au

d)

Al

69.

What is the symbol for Silicon?

a)

S

b)

Si

c)

Au

d)

Al

70.

What is the symbol for Mercury?

a)

Mc

b)

Hg

c)

Mg

d)

Hc

71.

How many elements are in this chemical formula?

HCl

a)

1

b)

2

c)

3

d)

4

72.

How many atoms of Carbon are in this formula? $C_{6\ }H_{12}O_6$

a)

6

b)

1

c)

12

73.

What is the total number of atoms in this formula? $H_2O_2$

a)

2

b)

4

c)

3

74.

How many atoms does Nitrogen (N) have in the following molecule? $AgNO_3$

a)

1

b)

2

c)

3

d)

4

75.

How many elements does PbNO₃ have?

a)

2

b)

3

c)

4

d)

5

76.

How many nitrogen atoms does NH₃ have?

a)

1

b)

2

c)

3

d)

4

77.

How many atoms of in this chemical formula?

NaCl

(a)

78.

How many atoms of in this chemical formula?

H₂SO₄

(a)

79.

How many atoms of in this chemical formula?

KNO₃

(a)

80.

How many atoms of in this chemical formula?

CaCl₂

(a)

ecm mid way review

Total questions: 80

Worksheet time: 7hrs 40mins

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