States Matter
Properties and Changes
Heterogenous mixture of questions
Sig Figs
Conversions
100

changing from solid to liquid

melting

100

made of only one compound or element

pure substance

100

Write 6543 in scientific notation

6.543 x 103

100
How many sig figs: 6.80

3

100

Unit used to measure mass

grams

200
Has a definite shape and volume

solid

200

tea is this type of mixture

homogeneous

200

Write 1.2 x 10-3 in standard form

0.0012

200

How many sig figs: 400

1

200

Unit to measure volume of liquid

liter

300
changing from gas to liquid

condensation

300

boiling point is this type of property

physical

300

Write 0.00045 in scientific notation

4.5 x 10-4

300

Calculate and round to correct number of sig figs

12.543 + 60

73

300

Convert 12 m to cm

1200

400

particles are close but free to flow

liquid

400

In order to separate a mixture of dissolved solids in water, you boil the water until it turns into a gas. Then you condense the gas back into a liquid. This is called ____

distillation 

400
These can be broken down into simpler substances by chemical means

compounds

400

Round 100.1 to 1 sig fig

1 x 102

400

convert 350mg to kg

.000350
500
state of matter that is compressable 

gas

500

These are signs that a chemical change has taken place

gas produced, heat or light, precipitate forms

500

a solid forming from reaction between two liquids

precipitate 

500

Calculate and round to the correct number of sig figs

91.1 x 10

9 x 102

500

convert 10 km to micrometers. Write your answer in scientific notation

1 x 108

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