Atom, elements, and compounds Flashcards

1
Q

according to this theory, matter is made up of extremely small and indestructible particles called atoms

A

Dalton’s Atomic Theory

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

3 men who composed atomic theory

A

Democritus, Aristotle, Dalton

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

Joseph Louis Proust Theory

A

Law of definite proportion, law of multiple proportions, and law of conservation of mass

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

same elements are given the same mass proportions

A

law of definite proportion

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

2 elements combine and form more than one compound

A

law of multiple proportions

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

matter and energy can neither be created nor destroyed

A

law of conservation of mass

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

building blocks which make up substances. smallest unit of an element that can enter into a chemical reaction

A

atoms

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

atomos

A

democritus

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

billiard ball model

A

dalton

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

raisin bread model/electron

A

thomson

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

gold foil expt/proton in the nucleus

A

rutherford

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

neutron

A

james chadwick

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

planetary model

A

bohr

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

quantum mechanic model/3d model

A

schrodinger

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

greek word for atom meaning indivisible

A

atomos

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

electron is how many times lighter than proton

A

1836

17
Q

same number of protons (same element) but diff number of neutrons

A

isotope

18
Q

same number of neutrons

A

isotone

19
Q

same mass number

A

isobar

20
Q

describes main electron shell and the size of the e-cloud

A

principal quantum number

21
Q

describes the subshell and the shape of the e-cloud

A

angular/azimuthal quantum number

22
Q

describes the orbital or orientation in space

A

magnetic quantum number

23
Q

Rules/Principles in Quantum Numbers

A

Pauli’s exclusion principle, Aufbau’s principle, Hund’s rule

24
Q

no 2 e can have the same set of quantum numbers

A

pauli’s exclusion principle

25
Q

building up principle

A

aufbau’s principle

26
Q

electrons are spread singly

A

hund’s rule

27
Q

first to set up the table (33 elements)

A

Lavoisier

28
Q

Triads. The iron triad comprises iron, cobalt, and nickel

A

Dobereiner

29
Q

iron triad

A

iron, nickel, cobalt

30
Q

law of octaves

A

newland

31
Q

8 elements are grouped before another set of 8 elements

A

law of octaves

32
Q

1st periodic law, properties are periodic functions of atomic wt

A

Meyer & Mendeleev

33
Q

first modern periodic table

A

Moseley

34
Q

how many elements, groups/families, and periods/series in the periodic table

A

118 elements, 18 groups, 7 periods

35
Q
A