Brainscape's Knowledge GenomeTM

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


See full index

Chemistry Ch. 1-4 > Chapter 3 > Flashcards

Chapter 3 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 law states that a chemical compound always contains the same element in exactly the same proportions by weight and mass?

A

Law of Definite Proportions

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

Was Dalton’s Atomic Theories thought to be 100% true?

A

No

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

What kind of charge do atoms have?

A

neutral or none

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

What makes the atomic number?

A

the number of protons and electrons

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

What law states that the closer 2 charges are, the greater the force between them?

A

Coulomb’s Law

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

An electron that is as close to the nucleus as it can be is in it’s _____ energy level.

A

lowest

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

An electron that is farther from the nucleus as it can be is in it’s _____ energy level.

A

higher

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

What are regions where electrons are likely to be found?

A

orbitals

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

What state is it when an electron is in its lowest possible energy?

A

ground state

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

What is the present day model of an atom called?

A

quantum model

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

What states that electrons fill orbitals that have the lowest energy first?

A

the aufbu principle

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

What charge do protons have?

A

positive

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

What charge do electrons have?

A

negative

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

Because each element has a unique number of protons, no two elements have the same what?

A

atomic number

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

Atomic numbers are always ____ numbers.

A

whole

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

The atomic number reveals the number of protons and what else?

A

electrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is the sum of the number of protons and neutrons in the nucleus of an atom?

A

mass number

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

How can you calculate the number of neutrons in an atom?

A

subtract the atomic number from the atomic mass

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is it called when atoms of the same element have a different number of neutrons?

A

isotopes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Who suggested that electrons, like planets orbiting the sun, revolve around the nucleus in circular elliptical orbits.

A

Rutherford

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Who suggested that electrons can only be certain distances from the nucleus, each distance corresponding to a certain energy level?

A

Bohr

22
Q

Orbitals are sometimes called what?

A

Electron clouds

23
Q

What are regions around the nucleus that correspond to specific energy levels?

A

orbitals

24
Q

What is all of the frequencies or wavelengths of an electromagnetic radiation?

A

electromagnetic spectrum

25
Q

The ____ and ____ of a wave are inversely related.

A

frequency and wavelength

26
Q

As frequency increases, wavelength _______.

A

decreases

27
Q

An electron can move from a low energy level to a high energy level by doing what?

A

absorbing energy

28
Q

What happens when an electron gains energy?

A

moves to an excited state

29
Q

What indicates the orientation of an electron’s magnetic field relative to an outside magnetic field?

A

Spin quantum number

30
Q

What states that two principles of a certain class cannot be in the exact energy state?

A

Pauli exclusive principle

31
Q

The arrangement of electrons in an atom is usually shown by writing what?

A

electron configuration

32
Q

To save space, one can write this configuration by using a configuration of a….

A

noble gas

33
Q

what are some noble gases?

A

neon, argon, krypton, xenon, and radon

34
Q

Electron orbitals are filled accruing to the…

A

Hunds Rule

35
Q

What states that orbitals of the same n and l quantum numbers are each occupied bu one electron before and pairing occurs

A

Hunds Rule

36
Q

What is the distance between 2 consecutive peaks or troughs of a wave?

A

wavelength

37
Q

Light is a…

A

electromagnetic wave

38
Q

____light has a low frequency and a long wavelength.

A

red

39
Q

____ light has a high frequency and a short wavelength.

A

violet

40
Q

In orbits what is the first ones letter?

A

s

41
Q

In orbits what is the second ones letter?

A

p

42
Q

In orbits what is the third ones letter?

A

d

43
Q

In orbits what is the fourth ones letter?

A

f

44
Q

What number corresponds with s?

A

2

45
Q

What number corresponds with p?

A

6

46
Q

What number corresponds with d?

A

10

47
Q

What number corresponds with f?

A

14

48
Q

What is an acronym to remember s, p, d, f?

A

sick puppies die fast

49
Q

A single orbital can hold a maximum of how many spins?

A

2

50
Q

The spins in a single orbital must contain ____ spins.

A

opposite

Chemistry Ch. 1-4 (4 decks)

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