Quiz about Atomic Structure

Question 1

What is the smallest unit of matter? It is composed of protons and neutrons, held together in the nucleus, and electrons around the nucleus in different electron orbitals, which form an electron cloud.

Accepted Answer

atom

Answer

cell

Answer

nucleus

Answer

electron

Question 2

What is a subatomic particle with a positive charge that is in the nucleus of an atom?

Accepted Answer

proton

Answer

neutron

Answer

electron

Answer

valence electron

Question 3

What is a subatomic particle without an electric charge, located in the nucleus of an atom?

Accepted Answer

neutron

Answer

proton

Answer

electron

Answer

valence electron

Question 4

What is a subatomic particle with a negative charge? It is found in the electron cloud surrounding the nucleus.

Accepted Answer

electron

Answer

neutron

Answer

proton

Answer

electron cloud

Question 5

What is the system of electrons surrounding the nucleus of an atom?

Accepted Answer

electron cloud

Answer

valence electrons

Answer

nucleus

Answer

electrons

Question 6

What is the center of an atom containing protons and neutrons?

Accepted Answer

nucleus

Answer

neutron

Answer

proton

Answer

electron cloud

Question 7

What is the number of protons in the nucleus of an atom that determines the chemical properties of an atom?

Accepted Answer

atomic number

Answer

mass number

Answer

atomic mass

Answer

atomic symbol

Question 8

Subatomic particle with a charge of 0

Accepted Answer

neutron

Answer

proton

Answer

electron

Answer

quark

Question 9

Subatomic particles with a negative charge

Accepted Answer

Electrons

Answer

Neutrons

Answer

Protons

Answer

Quarks

Question 10

These will determine what element an atom is.

Accepted Answer

number of protons

Answer

number of neutrons

Answer

number of electrons

Answer

number of atoms

Question 11

How many electrons does a neutral atom of sulfur have?

Accepted Answer

16

Answer

32

Answer

48

Answer

12

Question 12

What is the atomic mass of "F"

Accepted Answer

19

Answer

9

Answer

18

Answer

17

Question 13

What are subatomic particles?

Accepted Answer

electrons, protons, and neutrons

Answer

the nucleus

Answer

electron cloud

Answer

positive charge

Question 14

How many protons are in this element?

Accepted Answer

79

Answer

196

Answer

117

Answer

Cannot be determined

Question 15

How many neutrons does an Oxygen atom have?

Accepted Answer

8

Answer

16

Answer

24

Answer

7.999

Question 16

What is the atomic number?

Accepted Answer

the number of protons in the nucleus

Answer

the number of protons and neutrons in the nucleus

Answer

the number of neutrons in the nucleus

Answer

the number of protons in the energy levels

Question 17

What is the mass number?

Accepted Answer

the number of protons and neutrons in the nucleus

Answer

the number of protons in the nucleus

Answer

the number of neutrons in the nucleus

Answer

the number of protons and electrons in the atom

Question 18

What does the C represent?

Accepted Answer

chemical symbol

Answer

atomic mass

Answer

atomic number

Answer

element name

Question 19

What does the 6 represent?

Accepted Answer

atomic number

Answer

Atomic mass

Answer

chemical symbol

Answer

element name

Question 20

How is the number of neutrons in the nucleus of an atom calculated?

Accepted Answer

Subtract the number of p+ from the mass number

Answer

Add the number of e- and p+ together

Answer

Subtract the number of e- from p+

Answer

Add the mass number to the number of e-

Question 21

How many electrons does this atom have?

Accepted Answer

6

Answer

2

Answer

4

Answer

10

Question 22

Complete the missing label on the diagram.

Accepted Answer

Nucleus

Answer

Neutron

Answer

Centre

Answer

Sub atomic particle

Question 23

How many electrons does a sodium atom have?

Accepted Answer

11

Answer

23

Answer

12

Answer

34

Question 24

How many protons does an aluminum atom have?

Accepted Answer

13

Answer

27

Answer

14

Answer

40

Question 25

The __________ of an atom is the sum of the protons and neutrons in the nucleus of that atom.

Accepted Answer

mass number

Answer

atomic number

Answer

atomic weuight

Answer

isotope weight

Question 26

What element is represented in this Bohr Model?

Accepted Answer

Lithium

Answer

Carbon

Answer

Hydrogen

Answer

Aluminum

Question 27

The octet rule states that no more than __________________ electrons can be in the outer shell.

Accepted Answer

8

Answer

2

Answer

6

Answer

10

Question 28

Valence electrons are:

Accepted Answer

Electrons farthest away from the nucleus

Answer

Electrons closest to the nucleus

Answer

Electrons that just come and go - they don't stay with the atom

Question 29

Ions are:

Accepted Answer

atoms with a positive or negative charge

Answer

atoms with no charge

Answer

atoms with ONLY a positive charge

Answer

atoms with ONLY a negative charge

Question 30

Cations are

Accepted Answer

positive

Answer

negative

Answer

on the right side of the periodic table.

Answer

nonmetals

Question 31

Anions are...

Accepted Answer

Negative

Answer

Positive

Answer

Neutral

Question 32

Which particles change the charge in atoms when ions are formed?

Accepted Answer

Electrons

Answer

Protons

Answer

Neutrons

Question 33

Which Bohr model represents Neon?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 34

Potassium-39 has how many neutrons?

Accepted Answer

20

Answer

19

Answer

18

Answer

21

Question 35

Isotopes of an element have a different number of...

Accepted Answer

Neutrons

Answer

Protons

Answer

Electrons

Answer

Mass

Question 36

Bromine-80 has how many neutrons?

Accepted Answer

45

Answer

41

Answer

42

Answer

44

Question 37

12 protons and 13 neutrons

Accepted Answer

Mg-25

Answer

Mg-12

Answer

Mg-13

Answer

Mg-24.305

Question 38

What charge does an atom have if it LOSES an electron (a cation)?

Accepted Answer

Positive (+)

Answer

Negative (-)

Question 39

An atom that has gained or lost electrons in an attempt to become stable/bond with another atom.

Accepted Answer

Ion

Answer

Normal/Neutral Atom

Answer

Isotope

Question 40

An atom with the same number of protons and electrons (no charge) and the expected atomic mass or number of neutrons from the periodic table.

Accepted Answer

Neutral/Normal Atom

Answer

Ion

Answer

Isotope

Atomic Structure

40 questions

What is the smallest unit of matter? It is composed of protons and neutrons, held together in the nucleus, and electrons around the nucleus in different electron orbitals, which form an electron cloud.

What is a subatomic particle with a positive charge that is in the nucleus of an atom?

What is a subatomic particle without an electric charge, located in the nucleus of an atom?

What is a subatomic particle with a negative charge? It is found in the electron cloud surrounding the nucleus.

What is the system of electrons surrounding the nucleus of an atom?

What is the center of an atom containing protons and neutrons?

What is the number of protons in the nucleus of an atom that determines the chemical properties of an atom?

Subatomic particle with a charge of 0

Subatomic particles with a negative charge

These will determine what element an atom is.

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