Brainscape's Knowledge GenomeTM

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


See full index

Chem 1205 Things To Know > Atomic Structure > Flashcards

Atomic Structure Flashcards

You may prefer our related Brainscape-certified flashcards:
Periodic Table flashcards Chemistry 101 flashcards AP® Chemistry flashcards Organic Chemistry 101 flashcards
1
Q

What is the abbreviation for proton and where is it found?

A

Abbreviation: p or p+
Found: In nucleus

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

What is the abbreviation for neutron and where is it found?

A

Abbreviation: n
Found: In nucleus

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

What is the abbreviation for electrons and where is it found?

A

Abbreviation: e^-
Found: in the space around the nucleus

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

Is the nucleus small compared to the electron cloud?

A

Yes

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

What is A (circle above A)

A

Length of unit for very small distances

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

What is the A (circle above A) for the nucleus?

A

1x10^-4 A (circle above A)

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

What is the A (circle above A) for the electron cloud?

A

1-5 A (circle above A)

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

What is a protons charge?

A

+1

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

What is a protons mass? (AMU)

A

1.0073

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

What is a neutrons charge?

A

None

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

What is a neutrons mass? (AMU)

A

1.0087

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

What is electrons charge?

A

-1

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

What is electrons mass (amu)

A

5.486x10^-4

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

Which of these has no mass?

  • neutron
  • proton
  • electron
A

Electron

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

What does amu stand for?

A

Atomic mass unit

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

What is amu?

A

A unit for very small masses

17
Q

1amu is how many grams?

A

1amu=1.66054x10^-24

18
Q

What is an elements mass number?

A

Protons plus neutrons

19
Q

How do you find an elements number of protons?

A

Look at the periodic table

20
Q

What is an isotope?

A

The same element with different number of neutrons

21
Q

What is relative abundance?

A

How much of each isotope there is

22
Q

What is the equation for atomic weight?

A

Atomicweight= Σ [(isotope mass)x (fractional isotope abundance)]

23
Q

To find the average mass of atomic weights, Both fractional isotope abundances must add up to?

A

100%

Chem 1205 Things To Know (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions