h

B

100

 pp= 

 ppppppppppppppppp

200

List two unique set of properties elements can be identified by

physical-boiling point, melting point, density, color, hardness chemical- reactivity with acid or oxygen, flammability

300

What is the name of the table that lists all of the elements?

table of table wich yes

400

What is the symbol of the following elements: -Oxygen -Hydrogen - Carbon -Chlorine - Aluminum

- O - H - C - Cl - Al

500

Name the names of the following symbols: - Mg - Li - N - He - Ni

n

I

100

What is a compound?

A pure substance composed of 2 or more elements that are chemically combined

200

Compounds have properties that differ from those of the elements that form it. True or False

True

300

How can compounds be broken down? example- if you have NaCl, how can we separate the sodium from the chlorine?

nononoononon on ononkinkinononononononon

400

ah

AHAZbhUAXUIHAXBOhdsvbcuoaISKCXhddfsl nvdvbvunpfda

500

Write the chemical formula for magnesium sulfate that is made up of one atom of magnesium, one atom of sulphur and four atoms of oxygen

MgSO4

yes

N

100

hhygyvyugvgy

wzsexdtrvg

200

Solutions, suspensions and colloids are all types of mixtures. True or False

Trulse

300

Describe three ways in which we can separate mixtures

distillation, centrifuge, evaporation, filtration

400

Give an example of a mixture, a solution, a colloid and a suspension

snow snow

500

How can you separate a mixture of salt, pepper and pebbles?

"seperate the questions"

G

100

What is a solution?

I don't know.

200

Give three examples of things that are soluble in water

salt, sugar, kool-aid

300

HHHHHHHHHHH

*scromp

400

Name the solute and the solvent in lemonade: water: lemon juice: sugar:

kool aid

500

Which one has a higher concentration: a) 100 mL of water + 100 g of sugar b) 50 mL of water + 100 g of sugar

You fool, you expected B. Little did you know it was me, Dio!

O

100

What is a colloid?

a mixture that has properties of both solutions and suspensions. the particles are dispersed throughout but are not heavy enough to settle out.

200

What is a suspension?

A mixture in which particles of a material are more or less evenly dispersed throughout a liquid or gas. The particles are heavy so eventually they settle down.

300

give an example of a suspension

boo

400

give three examples of a colloid

mayonnaise

500

What is the difference between a colloid and a suspension?

words