Matter

Question 1

Matter

Answer 1

anything which occupies space and has mass; cannot be destroyed nor created

Question 2

In chemical reactions which are conserved?

Answer 2

mass, charge, and energy

Question 3

Types of Matter

Answer 3

Pure Substance + Mixtures

Question 4

Pure substance

Answer 4

a type of matter that has definite composition and the properties are the same throughout (ex. compounds and elements)

Question 5

elements

Answer 5

made up of one kind of atom

Question 6

compound

Answer 6

a substance made of two or more elements that are chemically combined

Question 7

compounds have 4 things..

Answer 7

definite composition, binary compounds, properties of the same compound are drastically different from the original element, can be broken down by ordinary chemical means (decomposition)

Question 8

Mixtures

Answer 8

combination of two or more distinct substances; composition always VARIES; parts are only physically combined

Question 9

Properties of a mixture

Answer 9

formed by a physical combination, parts of a mixture retain their original properties, parts are separated by physical properties, parts of a mixture are in any proportion - VARY!

Question 10

Two Types of Mixtures

Answer 10

Homogenous and Heterogenous

Question 11

Homogenous

Answer 11

all parts look the same and particles are evenly distributed (look for aq) (ex. milk, NaCl)

Question 12

Heterogenous

Answer 12

you can see the parts and particles are unevenly distributed ( ex. rocks, soil, and sand )