QUIZ
Atomic Structure
2 years ago by
20 questions
Q.

What is the atomic number?

answer choices

the number of protons in the nucleus

the number of protons and neutrons in the nucleus

the number of neutrons in the nucleus

the number of protons in the energy levels

Q.

What is the mass number?

answer choices

the number of protons in the nucleus

the number of protons and neutrons in the nucleus

the number of neutrons in the nucleus

the number of protons and electrons in the atom

Q.

What is the atomic number of this atom?

answer choices

1

3

4

7

Q.

What is the mass number of this atom?

answer choices

1

3

4

7

Q. Most of the mass in an atom is made up of _____________________?
answer choices
protons and electrons
protons and neutrons
neutrons and electrons
electrons and quarks
Q. In order for an atom to be neutral what has to be true?
answer choices
The atom has more protons than neutrons
The atom has more neutrons than protons
The atom has the same number of protons and neutrons
The atom has the same number of protons and electrons
Q. What does the C represent?
answer choices
atomic mass
atomic number
element name
chemical symbol 
Q.

What does the 6 represent?

answer choices

Atomic mass

atomic number

chemical symbol

element name

Q. How is the number of neutrons in the nucleus of an atom calculated?
answer choices
Add the number of e- and p+ together
Subtract the number of e- from p+
Subtract the number of p+ from the mass number
Add the mass number to the number of e-
Q. What subatomic particles would you find in the nucleus of an atom?
answer choices
Protons only
Protons and Neutrons
Neutrons and Electrons
Protons and Electrons 
Q. Which subatomic particles contribute the most to the mass of an atom?
answer choices
Protons, Neutrons, Electrons
Protons only
Protons and Electrons
Protons and Neutrons
Q. If an atom has 12 positively charged subatomic particles, which of the following must it also have to be considered a neutral atom?
answer choices
12 neutrons
12 electrons
12 protons
24 protons and neutrons
Q.

An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.

answer choices

20

10

35

25

Q.

How many electrons does this atom have?

answer choices

2

4

6

10

Q. The atomic number of an element that has 9 protons, 9 electrons, and 10 neutrons is _____.
answer choices
9
10
19
28
Q. An element with a mass number of 11 and an atomic number of 5 has how many neutrons?
answer choices
11
5
6
16
Q. Where is most of the mass in an atom located?
answer choices
in the nucleus
in the protons
in the neutrons
in the electrons
Q. An atom has an atomic number of 15 and a mass number of 31. How many protons are there in the atom?
answer choices
15
31
16
47
Q. What is the atomic number of the atom pictured? 
answer choices
9
10
18
19
Q.

Which of the following determines the identity of an element?

answer choices

number of protons

atomic mass

number of neutrons

number of shells

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