Brainscape's Knowledge GenomeTM

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


See full index

CHM > 5,6,11 > Flashcards

5,6,11 Flashcards

1
Q

In a chemical change, mass is CONSERVED

A

Law of conservation of mass

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

Each element is made up of tiny, individual particles called

A

Atoms

Dalton a atomic theory

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

Atoms are_____, they can’t be created or_____

A

Indivisible, destroyed

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

All atoms of EACH element are ______ in every respect

A

Identical

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

Atoms of ONE ELEMENT are _______ from atoms ANY OTHER ELEMENT

A

Different

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

Atoms of ONE ELEMENT may _______

A

Combine with atoms of other elements

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

2 elements combine to form more than 1 compound, the different masses of one element that combine with the same mass of other element are in a simple ratio of whole numbers

A

Law of multiple proportions

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

e or e-

A

Electron

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

Found outside the nucleus, with fundamental charge of 1-

A

Electron

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

p or p+

A

Proton

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

Found inside the nucleus with the fundamental charge of 1+

A

Proton

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

n or n^0

A

Neutron

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

Found inside the nucleus with a fundamental charge of 0

A

Neutron

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

Every atom contains an extremely small, extremely dense _______.

A

Nucleus

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

Atoms of the same element that have different masses—different number of neutrons

A

Isotopes

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

Mass number, A

A

Isotopes

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

of protons (Z) + # of neutrons (N) =

A

Mass number, A

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

Name an isotope

A

Elemental name-mass number

Not subtract

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

What’s the name of a carbon with 6 protons and 6 neutrons

A

6+6=12

Carbon-12

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

The percentage by mass of the elements in a compound is ALWAYS THE SAME

A

Law of definite composition

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

Form of energy that occurs as waves, consists of both electric and magnetic fields

A

Electromagnetic radiation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

The range of possible electromagnetic radiation wavelengths and frequencies

A

Electromagnetic spectrum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

List the order of electromagnetic radiation

A

Gamma, X-rays, UV, visible, infrared, microwave, radio

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Speed of light, c formula

A

3.00 x 10^8 m/s

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Velocity of an electromagnetic wave

A

c= wavelength x frequency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Spectrum having no distinct lines; the range of wavelengths is uninterrupted

A

Continuous spectrum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Spectrum that has lines at certain wavelengths and nothing in between those lines

A

Line spectrum

28
Q

Individually distinct lines in a line spectrum

A

Discrete lines

29
Q

Energy released by electrons is in the form of a massless packet of electromagnetic radiation

A

Photon

30
Q

Light has both wavelike properties and particle like properties

A

Wave-particle duality

31
Q

An atom consists of a dense nucleus containing all of the atoms positive charge and nearly all its mass

A

Bohr model of the hydrogen atom

32
Q

Negatively charged electrons of very small mass travel in orbits around the nucleus and the orbits are huge compared to the nucleus

A

Bohr model of the hydrogen atom

33
Q

Am amount that is limited to a discrete set of values

A

Quantized

34
Q

An amount that can have any value

A

Continuous

35
Q

The process by which an electron moves between orbits

A

Quantum jump or leap

36
Q

Electron in lowest energy orbit available (H atom); all electrons in the lowest possible energy levels

A

Ground state

37
Q

Electron in orbit with energy higher than ground state; one or more electrons has an energy level above ground state

A

Excited state

38
Q

Orbits in the Bohr model of the hydrogen atom

A

Principal energy levels or principal quantum numbers (n)

39
Q

When an electron falls from an excited state to a lower energy state; it releases the energy by emitting a photon of

A

Electromagnetic radiation

40
Q

Matter in motion such as electrons has properties that are normally associated with waves

A

Quantum mechanical model of the atom (de brogile)

41
Q

Applied the principles of wave mechanics to atoms

A

Quantum mechanical model of atom (schrodinger)

42
Q

Principal energy levels, n
Sub levels
Electron orbitals
Orbital occupancy

A

Overview of the 4 quantum numbers

43
Q

n=1-7

A

Principal energy levels, n

44
Q

Sub levels

A

N=2; 2s

45
Q

Region in space around a nucleus in which there is a high probability of finding an electron

A

Orbital

46
Q

Sub levels orbitals

A 
S= 1 orbital
P= 3 orbitals 
D= 5 orbitals
F= 7 orbitals
47
Q

Average radius or diameter of an atom

A

Atomic size

48
Q

An atom or group of atoms that had a net electrical charge resulting from a difference between the number of protons and electrons

A

Ion

49
Q

The energy required to remove one electron from a neutral gaseous atom of an element
Ex: Mg + 738kJ — Mg+ + e-

A

First ionization energy

First ionization energy= 738kJ/mol

50
Q

Elements in a group in the periodic table with similar chemical properties

A

Chemical family

51
Q

Group 1A/1 with out hydrogen
Valence electron configuration:ns1
Representative reaction: Na—Na+ + e-

A

Alkali metals

52
Q

Group 2A/2
Valence electron configuration: ns2
RR: Mg—Mg2+ 2 e-

A

Alkaline Earths

53
Q

Group 7A/17
Valence electron configuration: ns2np5
RR: Cl + e- —- Cl-

A

Halogens

54
Q

Group 8A/18
Valence electron configuration: ns2np6
RR: non reactive

A

Noble gases

55
Q

Exhibition of the physical and chemical properties of metals

A

Metallic character

56
Q

Elements that have some properties of both metals and non metals

A

Metalloid or semimetal

57
Q

The system of naming chemicals

A

Chemical nomenclature

58
Q

Tiniest independent particle of a pure substance

A

Molecule

59
Q

7 diatomic molecules

A

H_2, N2, O2, F2, Cl2, Br2, I2

60
Q

A compound formed by 2 nonmetals or a metalloid and a nonmetal

A

Binary molecular compound

61
Q

Cation

A

Police charges ion

62
Q

Anion

A

Negatively charged ion

63
Q

Zinc ion

Silver ion

A

Zn2+

Ag+

64
Q

Hg_2 2+

A

Mercury (l) ion

65
Q

Hydroxide ion

Ammonium ion

A

OH-

NH4+

66
Q

Formed when oppositely charged ions attract one another

A

Ionic compound

CHM (2 decks)

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