Apologia Physical Science

Define: Solute

• A substance that dissolves other substances.

• A substance that is dissolved in a solvent.

• A gesture made by touching the hand to the forehead.

Define: Solvent

• A liquid substance capable of dissolving other substances.

• A substances that dissolves in liquid.

• Two substances that combine to solve all your problems.

How many atoms are in H2O?

• 1

• 2

• 3

Tags

NGSS.MS-PS1-1

A molecule that has slightly positive and negative charges due to an imbalance in the electrons are shared is a:

• Ionic Molecule

• Polar Molecule

• Radioactive Molecule

• Imbalanced Molecule

What are compounds made of only two elements?

• Binary compounds

• Non-binary compounds

• double compounds

• chemical compounds

What does the formula of an ionic compound describe?

• the number of elements in the compound

• chemical compound

• the ratio of the ions in the compound

What is the name of this ionic compound: MgCl₂

• Magnesium Chloride

• Calcium Chloride

• Molybdenum Chloride

In order to write the formula of an ionic compound, the symbols of the (blank) in the compound and the charges of their ions.

What is the name of the molecular compound, PCl₅?

• Lead Chloride

• Phosphorous Pentachloride

• Phosphorus Chloride

• Polonium Pentachloride

Tags

NGSS.MS-PS1-1

A chemical reaction in which a compound breaks down into 2 or more simpler substances is called what?

• combustion reaction

• double replacement reaction

• decomposition reaction