Elements and Compounds
Which is a compound:
Salt
Juice
Copper
Sand
Salt
50100
3
Standard Unit for Volume
Liters (L)
Density is this type of property
Intensive
Can a compound be separated?
Yes
Which of the following in element?
Sugar
Salt
Water
Copper
Copper
0.0045
2
2600 grams to kg
2.6 kg
These are the two types of pure substances.
What are elements and compounds.
These are some signs that a chemical reaction is occuring.
What is energy change, color change, formation of gas, irreversible reaction
Which of the following is a compound?
Gold
Alcohol
Helium
Sugar Water
Alcohol
Infinite
17.0 miles to m
5280 ft = 1 mile
1 inch = 2.54 cm
27400 m
This type of mixture has the same properties throughout. Give an example
What is a homogenous mixture.
These can be used to separate mixtures, how does the processes both work
What are filtration and distillation
A substance that is not uniformly mixed, also give an example.
What is a heterogenous mixture, examples include granite, soil, sand in water, ice cubes in drink, etc.
12.300 x 1023
5
15 miles/hour to m/s
5280 ft = 1 mile
1 inch = 2.54 cm
6.7 m/s
Chicken noodle soup is this kind of mixture.
What is a heterogeneous mixture.
Phase change is a chemical change
False
Which of the following is not a heterogenous mixture?
Fruit Salad
Soil
Lemonade
Cereal and Milk
Lemonade
432000.
6
Density is 15 g/ml what is the mass in kg when there is 20 mL?
0.3 kg
A solution is also a homogeneous mixture. True or False?
What is TRUE.
This depends on the amount of matter in the sample, must give 2 examples
Calories, mass, volume