Vocab (classify Matter)

Question 0

Solution

Answer 0

Homogeneous mixture

Question 1

Pure substance

Answer 1

Substance with constant composition

Question 2

Homogeneous

Answer 2

Mixture tat is the same throughout;a solution

Question 3

Qualitative

Answer 3

Using senses to make observation

Question 4

Heterogenous

Answer 4

A mixture that has diff properties in diff regions of the mixture

Question 5

Alloy

Answer 5

Substance that contains a mixture of elements and has metallic properties

Homogenous mixture

Question 6

Solute

Answer 6

A substance dissolved in solvent to for a solution

Question 7

Solvent

Answer 7

The dissolving medium in a solution

Question 8

Quantitative

Answer 8

Using numbers or measurement to observe

Question 9

Diatomic

Answer 9

Composed of only 2 atoms
Always bonded
Hydrogen & 7
Nitrogen oxygen fluorine chlorine bromine iodine

Question 10

Aqueous solution

Answer 10

Water is the solvent

Question 11

Compound

Answer 11

Pure substance made of two or more Element

Fixed proportion

Question 12

Element

Answer 12

Simplest form of matter

Building block of matter

Question 13

Extensive

Answer 13

Depends upon the amount of the substance

Volume length and mass

Question 14

Intensive

Answer 14

Doesn’t change according to size

Density melting point boiling point

Question 15

Chemical properties

Answer 15

Paper BURNS in the air
Na is REACTIVE
Inert Combust rust cook

Question 16

Physical properties

Answer 16

Color
Melting point 
density 
Solubility
Solid liquid gas

Question 17

Chemical change

Answer 17

Characteristic that is only observed when identity of substance changes

Match burns
Body decomposes

Question 18

Physical change

Answer 18

Without identity changing

Cutting melting freezing boil dissolve crushing

Question 19

Physical separation techniques

Answer 19

Evaporation filter action strain charcoal

Distillation

Question 20

Chemical separation techniques

Answer 20

Melting electorosis

Applies to compounds

Question 21

Macroscopic

Answer 21

Rigid defined shape

Volume changes do to temp or pressure

Question 22

Submicroscopic

Answer 22

Orderly fixed arrangement showing little movement
Volume = to volume of particles
Can’t be compressed

Question 23

Elements abundant in earths crust

Answer 23

Oxygen. 49.2
Silicon. 25.7
Aluminum. 7.5
Iron. 4.71

Question 24

Common element in universe

Answer 24

Hydrogen
Helium
Oxygen
Neon

Question 25

Common elements in human body

Answer 25

Oxygen. 65
Carbon. 18
Hydrogen. 10
Nitrogen. 3

Question 26

Ionic compound

Answer 26

Compound forms between a metal and non metal

Question 27

Dalton’s theory

Answer 27

1. All matter composed of extremely small particles
2. Atoms given elements are identical in size mass and other properties
3. Atoms cannot be subdivided created or destroyed (wrong)
4. Atoms of diff elements can combine I simple whole number ratios to form chemical compounds
5. Chemical reactions atoms are combined separated or rearranged

Question 28

Law of conservation of mass

Answer 28

Matter not create or destroy

Question 29

Law of definite composition

Answer 29

Compound has definite composition in contrast to mixture

Question 30

Law of multiple proportions

Answer 30

Elements can form two or more compounds each with diff but definate proposition

Question 31

Who discovered electron

Answer 31

Jj Thomson

Plum pudding

Question 32

Who discovered proton

Answer 32

Ernest Rutherford

Gold foil

Dense positive nucleus w/ electrons around

Question 33

Ions

Answer 33

Charged particles

Cation or anion

Question 34

Isotopes

Answer 34

Atoms of the same element that have different numbers of neutrons