Molecular & Ionic Substances Flashcards Preview

Science 10 Unit A Chemistry > Molecular & Ionic Substances > Flashcards

Flashcards in Molecular & Ionic Substances Deck (18)
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1
Q

Properties of ionic compounds (5)

A
Crystalline solids at room temp
High melting and boiling points
Will stay crystalline even when broken
Most are usually soluble
When dissolved in water, the solutions will conduct electricity
2
Q

A solution that conducts electricity is called an ______

A

Electrolyte

3
Q

If ionic substances are molten or melted it will still conduct electricity, true or false?

A

True

4
Q

______is a measure of how well a substance dissolves in a solvent

A

Solubility

5
Q

If an ionic compound dissolves in water it will form an ______solution

A

Aqueous (aq)

6
Q

If an ionic compound is not soluble in water a solid ______ is formed

A

Precipitate

7
Q

Properties of molecular compounds (5)

A
S, L, or G at room temp
Low melting and boiling points
Will crumble easily when broken
Only some are soluble in water
Molecular compounds never conduct electricity in any form cause they don't have charges
8
Q

Water molecules have a strong ______for one another

A

Attraction

9
Q

This attraction force between water molecules is called a ______

A

Hydrogen bond

10
Q

Properties of water molecules (2)

A

High melting and boiling points

Large capacity to absorb heat energy without large changes in temperature

11
Q

An acid is a compound that contains ______ and dissolves in water to form a solution that has a ph ______than 7

A

Hydrogen

Less

12
Q

Properties of acid (5)

A
Sour taste
Does not have a slippery feel
React with metals to form hydrogen gas
Red litmus paper
Conduct electricity
13
Q

A base is a compound that contains ______ and dissolves in water to form a solution that has a ph ______than 7

A
Hydroxide ion (OH-)
More
14
Q

Properties of bases (5)

A
Bitter taste
Slippery feel
Do not react with metals
Blue litmus paper
Conduct electricity
15
Q

Acids ionize

A

Form ions

16
Q

Bases dissociate ions

A

They break down

17
Q

pH means______

A

Potential of hydrogen

18
Q

Naming acids: (2) systems

A

IUPAC and classical