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Atoms, Periodic Table and Bonding

Total questions: 68

Worksheet time: 17hrs 0mins

Name
Class
Date
1.

Where, within the atom, are electrons found?

a)

Electron cloud

b)

nucleus

c)

floating in the space

d)

atoms don't have electrons

2.

How many electrons can be found on the 1st ring?

a)

Up to 1

b)

Up to 2

c)

Up to 8

d)

Up to 16

3.

How many electrons can be found on the 2nd ring?

a)

Up to 1

b)

Up to 2

c)

Up to 8

d)

Up to 16

4.

How many electrons can be found on the 3rd ring?

a)

Up to 1

b)

Up to 2

c)

Up to 8

d)

Up to 16

5.

What does the outer ring of the electron cloud hold?

a)

Valence electrons

b)

All the electrons

c)

Protons

d)

Neutrons

6.

What does the outer ring of the electron cloud hold?

a)

Valence electrons

b)

All the electrons

c)

Protons

d)

Neutrons

7.

What is the function of the valence electrons?

a)

Used to determine the total number of electrons

b)

Used for bonding atoms together

c)

Used for creating the 3rd energy level

d)

They have no function

8.

Which direction do the groups on a periodic table run?

a)

up and down

b)

left to right

c)

diagonally

d)

they are scattered

9.

Which direction do the periods runs on a periodic table run?

a)

up and down

b)

left to right

c)

diagonally

d)

they are scattered

10.

Which group on the periodic table is the most reactive?

a)

Group 1

b)

Group 2

c)

Group 17

d)

Group 18

11.

Which group on the periodic table is the least reactive?

a)

Group 1

b)

Group 2

c)

Group 17

d)

Group 18

12.

What is group 18 called?

a)

Noble Gas

b)

Valence Group

c)

Period

d)

Most Reactive

13.

Where are metals found on the periodic table

a)

everywhere

b)

to the left of the stairs

c)

along the stairs

d)

to the right of the stairs

14.

Where are nonmetals found on the periodic table

a)

everywhere

b)

to the left of the stairs

c)

along the stairs

d)

to the right of the stairs

15.

How many groups are there are the periodic table?

a)

1

b)

7

c)

8

d)

18

16.

Where are metalloids found on the periodic table

a)

everywhere

b)

to the left of the stairs

c)

along the stairs

d)

to the right of the stairs

17.

How many periods are there are the periodic table?

a)

1

b)

7

c)

8

d)

18

18.

Carbon: how many valence electrons does carbon have?

Hint: focus on 1A, 2A, 3A, 4A, etc for valence electrons

a)

3

b)

4

c)

5

d)

6

19.

Lithium: how many electron shells does it have?

Check the periodic table

a)

1

b)

2

c)

3

d)

4

20.

How many electrons do atoms want in their valence shells?

a)

2

b)

4

c)

6

d)

8

21.

Which group below is the most reactive?

a)

Group 1

b)

Group 3

c)

Group 5

d)

Group 7

22.

Group 1 elements have _____ valence electron.

a)

1

b)

2

c)

3

d)

4

23.

Neon: is Neon reactive or unreactive?

a)

Reactive

b)

Unreactive

24.

An atom's valence electrons are those electrons that have the (a)   energy.

25.

In the periodic table, the number of valence electrons in each element _______ from left to right across each period.

a)

increases

b)

decreases

c)

stays the same

d)

none of these

26.

The reactivity of a metal depends on how easily is (a)   its valence electrons.

27.

Because it can either lose or share electrons when it combines with other elements, each (a)   has some of the properties of metals and some of the properties of nonmetals.

28.

How many valence electrons does this atom of Argon have?

a)

8

b)

4

c)

2

29.

How many valence electrons does this element of Silicon have?

a)

4

b)

3

c)

1

30.

Which of these atoms has 8 valence electrons?

a)
b)
c)
d)
31.

Which one of these is a Bohr Model?

a)
b)
32.

Which one of these is an electron dot diagram?

a)
b)
33.

Which of these shows protons, electrons, and neutrons

a)

Bohr model

b)

electron dot diagram

34.
A(n) ___________ shows the number of valence electrons in an atom in pictorial fashion. 
a)
chemical bond
b)
electron dot diagram
35.

How many valence electrons for Aluminum?

a)

5

b)

13

c)

3

d)

8

36.

What are valence electrons?

a)

They do not exist

b)

Total number of electrons in an atom

c)

Electrons in the nucleus

d)

Electrons on the outer most shell of an electron

37.

Why are valence electrons important?

a)

They help determine the reactivity of an element

b)

They are a physical property

c)

They tell us how many total electrons an atom have

d)

They are fun

38.

How do we know that number of valence electrons?

a)

By looking at the column numbers on the periodic table

b)

By looking at the atomic mass

c)

By adding them in our head

d)

By guessing

39.

How many electrons until Oxygen is stable?

a)

1

b)

2

c)

6

d)

8

40.

An element that has a full shell of valence electrons is called

a)

A halogen

b)

A metal

c)

A noble gas

d)

A nonmetal

41.

Argon is in group 18. Which Lewis Dot structure for Argon is correct?

a)

a

b)

b

c)

c

d)

d

42.

Based on the Lewis Dot diagram, in which group is Chlorine located?

a)

1

b)

7

c)

17

d)

18

43.

What is an atom?

a)
An atom is the basic unit of matter.
b)
An atom is a unit of time.
c)
An atom is a type of animal.
d)
An atom is a type of fruit.
44.

What are the main components of an atom?

a)
protons, electrons, and photons.
b)
neutrons, electrons, and positrons.
c)
protons, neutrons, and photons.
d)
protons, neutrons, and electrons
45.

How is the atomic number of an element determined?

a)
By counting the number of neutrons in the nucleus of its atom.
b)
By analyzing the electron configuration of the atom.
c)
By measuring the mass of the atom.
d)
By counting the number of protons in the nucleus of its atom.
46.

What is the smallest unit of an element?

a)
cell
b)
atom
c)
molecule
d)
organ
47.

Name the three main subatomic particles in an atom.

a)
neutrons, electrons, and quarks
b)
protons, electrons, and photons
c)
protons, neutrons, and positrons
d)
protons, neutrons, and electrons
48.

How are protons and electrons charged, and where are they located in an atom?

a)
Protons are negatively charged and located in the nucleus, while electrons are positively charged and located in energy levels or orbitals surrounding the nucleus.
b)
Protons are negatively charged and located in energy levels or orbitals surrounding the nucleus, while electrons are positively charged and located in the nucleus.
c)
Protons are positively charged and located in energy levels or orbitals surrounding the nucleus, while electrons are negatively charged and located in the nucleus.
d)
Protons are positively charged and located in the nucleus, while electrons are negatively charged and located in energy levels or orbitals surrounding the nucleus.
49.

What is the atomic number of an element, and what does it tell us?

a)
The atomic number of an element tells us the mass of the atom.
b)
The atomic number of an element tells us the number of electrons in the nucleus of an atom.
c)
The atomic number of an element tells us the number of protons in the nucleus of an atom.
d)
The atomic number of an element tells us the number of neutrons in the nucleus of an atom.
50.

How many elements are there in the periodic table?

a)
92
b)
118
c)
50
d)
200
51.

What is the role of valence electrons in chemical bonding?

a)
Valence electrons are only involved in ionic bonding.
b)
Valence electrons repel each other and prevent chemical bonding.
c)
Valence electrons have no role in chemical bonding.
d)
Valence electrons are involved in the formation of chemical bonds.
52.

What is the significance of the noble gases in the periodic table?

a)
The noble gases are found in abundance in the Earth's atmosphere and are essential for sustaining life.
b)
The noble gases are radioactive and have no practical applications.
c)
The noble gases are highly reactive and are commonly used in chemical reactions.
d)
The noble gases are unreactive and have various industrial applications.
53.

How does the periodic table help us understand the properties of elements?

a)
The periodic table is used to determine the atomic number of elements.
b)
The periodic table helps us understand the physical state of elements.
c)
The periodic table provides information about the chemical reactivity of elements.
d)
The periodic table organizes elements based on their properties.
54.

Can noble gasses bond with other elements?

a)
Yes, noble gasses can bond with other elements.
b)
Noble gasses can only bond with other noble gasses.
c)
Only some noble gasses can bond with other elements.
d)
No
55.

Which statement best describes the relationship between atoms & molecules.

a)

molecules are made of atoms that are chemically bonded together.

b)

atoms are made of molecules that are chemically bonded together.

c)

molecules are made of a mixture of atoms and compounds.

d)

atoms are made of protons, neutrons & electrons.

56.

How many dots would there be in an electron diagram for silicon, one of the group 14 elements?

a)

2

b)

4

c)

8

d)

14

57.

From left to right, what is the order of sections on a periodic table?

a)

nonmetals, metalloids, and metals

b)

metals, nonmetals, and metalloids

c)

metalloids, metals, and nonmetals

d)

metals, metalloids, and nonmetals

58.

What is a common property of nonmetals and covalent compounds?

a)

poor conductors

b)

good conductors

c)

high melting point

d)

high boiling point

59.

What group is Nitrogen in?

a)

3

b)

5

c)

15

d)

18

60.

Which of the following is a property of metals.

a)

good conductor

b)

poor conductor

c)

low melting point

61.
An atom with 19 protons, and 19 electrons and a mass of 39 has how many neutrons?
a)
19
b)
39
c)
20
d)
58
62.

Which of the following is unique for any given element?

a)

number of neutrons

b)

charge on electrons

c)

number of protons

d)

mass of neutrons

63.

The number of protons in one atom of an element is that element's

a)

mass number.

b)

balanced charge.

c)

atomic number.

d)

isotope.

64.

Which of these is the correct equation to find the number of neutrons in an atom?

a)

atomic number - mass number

b)

mass number - atomic number

c)

electron number - atomic number

d)

atomic number - isotope number

65.

Moving from left to right across a periodic table row, which of the following increases by one from element to element?

a)

isotope number

b)

atomic number

c)

atomic mass unit

d)

mass number

66.

Which statement does NOT apply to metals?

a)

They are ductile.

b)

They are brittle.

c)

They are malleable.

d)

They are good conductors.

67.

An element has a metallic-gray appearance. It also has the properties of both a metal and a nonmetal. In which section of the periodic table indicated above would the element most likely be found?

a)

1

b)

2

c)

3

d)

4

68.

Which of the following best describes an electron?

a)

It has no charge and about the same mass as a proton.

b)

It has a negative charge and much less mass than a proton.

c)

It has a positive charge and much more mass than a neutron.

d)

It has a negative charge and about the same mass as a neutron

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