Brainscape's Knowledge GenomeTM

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


See full index

Chemistry > Matter > Flashcards

Matter Flashcards

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

It is a pure substance that cannot be broken down into simpler substances by a chemical reaction

A

Element

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

Each element is identified by a one- or two- letter _____

A

Symbol

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

Elements are arranged in the ______

A

Periodic table

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

The position of an element in the periodic table tells us much about its ________

A

Chemical properties

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

These elements are good conductor of heat and electricity

A

Metals

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

These are shiny solids at room temperature, except for mercury

A

Metals

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

Which metal is a liquid at room temperature

A

Mercury

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

What state of matter are most metals at room temperature?

A

Solid

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

In the periodic table, which side are the metals located?

A

Left side

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

In the periodic table, which side are the nonmetals located?

A

Right side

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

This type of element is a poor conductors of heat and electricity

A

Nonmetal

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

Nonmetals have a _____ appearance

A

Dull

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

These are located on the solid line that starts at boron (B) and angles down towards Astatine (At)

A

Metalloid

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

This type of element have properties intermediate between metals and nonmetals

A

Metalloids

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

How many elements are metalloids?

A

7

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

These are the 4 elements that compromise 96% of the mass of the human body

A

Oxygen, Carbon, Hydrogen, Nitrogen

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

These elements are present in smaller amounts and at least 100mg of each are needed in the daily diet

A

Major Mineralsl

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

Usually less than 15 mg of each of these elements are required in the daily diet

A

Trace elements

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

In Trace Elements, usually less than ____mg of each of these elements are required in the daily diet

A

15

20
Q

Major Minerals are present in smaller amounts and at least ___mg of each are needed in the daily diet

A

100

21
Q

It is a pure substance formed by chemically combining two or more elements together

A

Compound

22
Q

It shows the ratio of atoms in the compound

A

Subscript

23
Q

All matter is composed of the same building blocks called?

A

Atoms

24
Q

Atoms are composed of how many subatomic particles?

A

Proton, Neutron, and Electron

25
Q

Where are the protons and neutrons located?

A

Nucleus

26
Q

This is where electrons can be found

A

Electron cloud

27
Q

This indicates the number of protons in the nucleus

A

Atomic Number

28
Q

These are atoms of the same element that have a different number of neutrons

A

Isotopes

29
Q

It is the weighted average od the masses of the naturally occurring isotopes of a particular element

A

Atomic weight

30
Q

They consist of the lanthanides and actinides

A

Inner transition metals

31
Q

An _____ is confined to a specific region around the nucleus, giving itba particular energy

A

Electron

32
Q

The regions occupied hy electrons are called _____?

A

Principal energy level/ shells

33
Q

Electrons in lower numbered shells are _____ to the nucleus and are ___ in energy

A

Closer; lower

34
Q

Electrons in ____ numbered shell are further from the nucleus and are higher in energy

A

Higher

35
Q

Shells with ____ numbers are farther from the nucleus and can hold more electrons

A

Larger

36
Q

It is a region if space where the probability of finding an electron is high

A

Orbital

37
Q

Each orbital can hold how many electrons?

A

2

38
Q

What is the shape of s orbital?

A

S orbital have a spherical shaps

39
Q

What is the shape of a p orbital?

A

Dumbbell

40
Q

It shows how the electrons are arranged in an atoms orbitals

A

Electron configuration

41
Q

It is the lowest energy arrangement

A

Ground state

42
Q

The Electron configuration can be shortened using __________?

A

Noble gas notation

43
Q

The ______ of an element depend on the number of electrons in the valence shells

A

Chemical properties

44
Q

It is the outermost shell

A

Valence shell

45
Q

These are the electrons in the valence shell

A

Valence electron

46
Q

It is the energy needed to remove an electron from a neutral atom

A

Ionization energy

Chemistry (3 decks)

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