Q2 CLASSIFICATIONS OF MATTER Flashcards

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1
Q

forms of matter that have the same properties throughout a given sample

A

pure substances

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2
Q

substances composed of only one type of atom, the basic unit of matter

A

Elements

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3
Q

substances made up of more than one type of element

A

Compounds

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4
Q

<identify> O
</identify>

A

Oxygen

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5
Q

N

A

Nitrogen

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6
Q

Ca

A

Calcium

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7
Q

Na

A

Sodium

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8
Q

K

A

Potassium

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9
Q

W

A

Tungsten

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10
Q

are made up of two or more substances that are physically combined

A

Mixtures

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11
Q

have a uniform composition appearance throughout a given sample

A

Homogenous mixture

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12
Q

An example of a homogenous mixture

A

Solution

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13
Q

The substance that dissolves

A

Solute

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14
Q

The dissolving medium or the substance present in larger quantity

A

Solvent

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15
Q

form more than one phase, the different components are visibly distinguishable

A

Heterogenous mixture

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16
Q

elements that compose the compound silver chloride

A

Ag and Cl

17
Q

was discovered by British physicist Joseph John Thomson

A

electron

18
Q

Positive particle

A

Protons

19
Q

Neutral subatomic particle

A

Neutron

20
Q

Electrons charge

A

-1

21
Q

Protons charge

A

+1

22
Q

Neutrons charge

A

0

23
Q

sub shell s maximum number of electrons

A

2

24
Q

Sub shell p maximum number of electrons

A

6

25
Q

Sub shell d

A

10

26
Q

Sub shell f

A

14

27
Q

ZAPEN meaning

A

Z - Atomic number
A - Mass number
P - proton
E - electron
N - neutron

28
Q

Z is equals to the number of

A

Protons and electrons

29
Q

how to get atomic mass

A

number of protons + number of neutrons

30
Q

How to get number of neutrons

A

atomic mass - number of protons

31
Q

the number on top of the element

A

Mass number

32
Q

The number below the element

A

Atomic number

33
Q

positively charged ion

A

cation

34
Q

negatively charged ion

A

anion

35
Q

An atom that carries a net electrical charge

A

Ion

36
Q

Atoms of the same element but with different numbers of neutrons

A

Isotopes

37
Q

charge of an atom

A

neutral

38
Q

dense and solid with no internal structure

A

John Dalton Solid Sphere Model