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Crazy Eights!!
007
Mixed Up!!
Solve It!!
Dissolved
Math Matters!!
Mole Math!!!
100
A group of two or more chemically bonded atoms.
What is a molecule?
100
Created when atoms transfer or share electrons.
What are chemical bonds?
100
Made up of at least two different substances which can be separated using physical separation techniques
What is a mixture?
100
Solutions in which the solvent is water
What is an aqueous solution?
100
The separation of a dissolved compound into two ions of opposite charges
What is electrolytic dissociation?
100

The molar mass of table salt (NaCl).

What is 58g?

100

The number of moles of molecules in 138 g of NO2 gas.

What are 3 moles?

200
An atom that has fewer than 8 electrons in the outermost shell tends to combine with another element to fill it outermost shell
What is the octet rule?
200
Result from the transfer of electrons. Usually between a metal and a non-metal
What is an ionic bond?
200

Examples of types of physical separation

What are Distillation, Extraction, Filtration, Decantation, Sublimation, Centrifuging and Chromatography?

200
Factors that affect solubility.
What are the nature of the solute, the nature of the solvent, pressure (for gases) and temperature?
200

Release H+ ions in an aqueous solution

What is an acid?

200

The mass of one mole of hydrogen gas (H2).

What is 2 grams?

200

The number of moles of molecules in 33 g of CO2?

What is 0.75 moles?

300
Tend to lose their valence electrons so they will be stable
What are metals?
300
Result from the sharing of electrons between molecules. Usually between two non-metals
What is a covalent bond?
300
A homogeneous mixture whose components cannot be distinguished, even with the aid of a magnifying instrument.
What is solution?
300
The amount of solute in a given amount of solution.
What is the concentration?
300

Release OH- ions in an aqueous solution

What is a base?

300

The mass of 1 mole of Boron

What is 10.8 g?

300

The molar mass of ferric chromate (Fe2(Cr04)3).

What is 459.7 grams/mol?

400
Tend to gain electrons so they will have eight in their outer shell
What are non-metals?
400
The electrons are not shared equally in this type of covalent bond.
What is polar covalent?
400
This is dissolved (ex. Salt) in a solution.
What is a solute?
400
The number of moles of solute in one litre of solvent
What is molar concentration?
400
A substance produced by the chemical bonding of a metallic ion and a nonmetallic ion.
What is a salt?
400

The mass of 1 mole of carbon.

What is 12g?

400

The molar concentration of the solution if you dissolve 11.2 g of KOH in 400 mL of water.

What is 0.5 mol/L?

500
An atom that has become electrically charged by losing or gaining electrons
What is an ion?
500
Chemically bonded groups of atoms that have an electric charge.
What are polyatomic ions?
500
Dissolves the solute (often water!!)
What is the solvent?
500
A substance that, when dissolved in water, allows an electric current to flow through the solution
What is an electrolyte?
500

An indication of the H+ concentration in a solution

What is pH?

500

The mass of 1 mole of helium (He).

What is 4 grams?

500

The moles of solute needed to obtain 2.5 L of a solution with a concentration of 0.2 mol/L?

What is 0.5 mol?