1.1 Flashcards

1
Q

Two or more forms of the same element, in the same physical state, with different chemical structures

A

Allotrope

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

The smallest particle of an element that has the properties of that element and can enter into a chemical combination

A

Atom

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

Average mass of atoms of an element, expressed in amu

A

Atomic Mass

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

The Avogadro constant is an explicit unit of “per mole,” a conveniently rounder version being 6.022*10^23/mol

A

Avogadro’s Number

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

Pure substance that can be decomposed into two or more elements

A

Compound

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

Substance that is composed of a single type of atom; a substance that cannot be decomposed by a chemical change

A

Element

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

Formula showing the composition of a compound given as the simplest whole-number ratio of atoms

A

Empirical Formula

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

Sum of the numbers of neutrons and protons in the nucleus of an atom

A

Mass Number

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

The Mass in grams of 1 mole of that substance, a property expressed in units of grams per mole (g/mol)

A

Molar Mass

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

An amount unit similar to familiar units like pair, dozen, gross, etc.; it provides a specific measure of the number of atoms or molecules in a sample of matter

A

mole

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

Formula indicating the composition of a molecule of a compound and giving the actual number of atoms of each element in a molecule of the compound

A

Molecular Formula

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

Bonded collection of two or more atoms of the same of different elements

A

Molecule

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