Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Chemistry > atoms and particles > Flashcards

atoms and particles Flashcards

1
Q

What is the relative mass of a proton?

A

1 atomic mass unit (amu)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the charge of a neutron?

A

0 (neutral)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

True or False: An electron has a positive charge.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Which particle has the largest relative mass?

A

Proton

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the charge of a proton?

A

+1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How does the mass of a neutron compare to that of a proton?

A

Approximately equal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the relative charge of an electron?

A

-1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

True or False: The relative mass of an electron is much greater than that of a proton.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Fill in the blank: Protons and neutrons are found in the _____ of an atom.

A

nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which atomic particle is responsible for chemical bonding?

A

Electron

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

True or False: Electrons are found in the nucleus of an atom.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the combined charge of a neutral atom?

A

0

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Fill in the blank: The mass number of an atom is the sum of the number of _____ and _____ in the nucleus.

A

protons, neutrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the primary difference between protons and neutrons?

A

Charge (protons are positive, neutrons are neutral)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How many protons are in a carbon atom?

A

6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the charge of an ion with two fewer electrons than protons?

A

+2

17
Q

What is the effect of increasing the number of neutrons in an atom?

A

Increases mass without changing charge (isotopes)

18
Q

How do you determine the charge of an atom?

A

By comparing the number of protons and electrons

19
Q

What is the term for atoms with the same number of protons but different numbers of neutrons?

A

Isotopes

20
Q

atomic number =

A

number of protons

21
Q

number of electrons

A

same as the number of protons

22
Q

number of neutrons =

A

mass number -atomic number

Chemistry (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions