Free Printable Periodic Table & LOCOM

1.

Gallium has an atomic number of 31. In a neutral atom of Gallium, how many electrons would this atom have?

a)

62

b)

42

c)

31

d)

13

2.

How many neutrons does Sodium have?

a)

11

b)

23

c)

12

d)

25

3.

How many neutrons does arsenic have?

a)

33

b)

74

c)

75

d)

41

4.

4 grams of hydrogen reacts with some oxygen to make 36 grams of water. Figure out how much oxygen must have been used by applying the law of conservation of mass?

a)

40 g`

b)

32 g

c)

18 g

5.

Protons are located

a)

inside the nucleus with electrons

b)

Outside the nucleus with neutrons

c)

Inside the nucleus with neutrons

d)

Outside the nucleus with atoms

6.

Nitrogen (N) has an atomic number of 7. How many protons does Nitrogen have?

a)

14

b)

8

c)

10

d)

7

7.

Electrons are located

a)

Inside the nucleus with the protons

b)

Outside the nucleus in the atom globe

c)

Outside the nucleus in the electron cloud

d)

Inside the nucleus with the neutrons

8.

Electrons are found in the nucleus

a)

True

b)

False

9.

How many Iron (Fe) atoms are in the reactant side of this equation?

$4Fe+3O_2−−→2Fe_2O_3$

a)

2

b)

1

c)

3

d)

4

10.

When neutral, Copper (Cu) has 29 electrons. How many protons does Copper (Cu) have?

a)

25

b)

64

c)

63

d)

29

11.

How much oxygen will add with 36 g carbon to make a total of 132 g carbon dioxide?

a)

36g

b)

100g

c)

96g

d)

50g

12.

The Law of Conservation of Mass states that...

a)

Products must be greater than the reactants

b)

Reactants must be equal to products after a chemical reaction

c)

Reactants will yield a larger amount of products

d)

Products are what is created during a chemical reaction

13.

Beryllium has an atomic number of 4. How many protons does Beryllium have?

a)

3

b)

4

c)

5

d)

6

14.

In a chemical reaction 150 g Baking soda mixture containing sodium bicarbonate and vinegar on heating gives 87 g of carbon dioxide gas. What mass of solid residue will left in food?

a)

237 g

b)

187 g

c)

63 g

15.

Silver has an atomic number of ...

a)

4

b)

107

c)

108

d)

47

16.

Does this equation follow the Law of Conservation of Mass?

2 Fe+3 Cl2 −−→ 2 FeCl3

a)

Yes

b)

No

17.

Lithium has 3 protons, 3 electrons, and 4 neutrons. What is the atomic mass of Lithium?

a)

3

b)

4

c)

10

d)

7

18.

Lithium is a ....

a)

Metal

b)

Nonmetal

c)

Metalloid

19.

I combine 100 g of water with 50 g of chocolate milk. How much mass will my new mixture have?

a)

50 g

b)

100 g

c)

150 g

d)

200 g

20.

Hydrogen, Lithium, & Sodium are all similar because they're all in Group 1. How many valence electrons do these elements have?

a)

1

b)

3

c)

7

d)

8

21.

How many Oxygen (O) atoms are in the product side of this reaction?

$1TiCl_4+2H_2O→1TiO_2+4HCl$

a)

1

b)

2

c)

3

d)

4

22.

Boron (B) is a

a)

metal

b)

nonmetal

c)

metalloid

23.

Does this model represent the Law of Conservation of Mass?

a)

Yes

b)

No

24.

Does this model represent the Law of Conservation of Mass?

a)

Yes

b)

NO

25.

What distinguishes each element from one another?

a)

Atomic Mass

b)

Atomic Number

c)

# of electrons

d)

# of Neutrons

26.

This Bohr model shows an of which element?

a)

Hydrogen

b)

Beryllium

c)

Aluminum

d)

Oxygen

27.

Which group of elements is the MOST reactive?

a)

Noble Gasses

b)

Halogen

c)

Alkaline Earth Metals

d)

Alkali Metals

28.

Argon (Ar) is a

a)

metal

b)

nonmetal

c)

metalloid

29.

How many Valence electrons does this element have?

a)

13

b)

14

c)

3

d)

8

30.

How many Valence electrons does Boron (B) have?

a)

1

b)

3

c)

7

d)

8

31.

This atom is a Bohr model of which element?

a)

Hydrogen

b)

Lithium

c)

Oxygen

d)

Helium

Periodic Table & LOCOM

Total questions: 31

Worksheet time: 16mins

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