Show:
properties of ionic compounds
properties of covalent compounds
pH scale
acids/bases
Miscellaneous
100

Ionic compounds , like table salt, have this structure.

What is crystalline?

100

Covalent compounds are made of these.

What is 2 nonmetals?

100

pH means this.

What is concentration of hydrogen?

100
Acids produce these ions in water.
What are hydrogen ions?
100

These are products when you mix an acid with a base.

What are salt and water?

200

In ionic compounds, the charge can either be ________ or __________.

negative or positive

200
Choose the covalent compound from the following: KOH NaCl AgNO3 H2O
What is H2O?
200
This is the range of the pH scale.
What is 0 to 14?
200
Bases produce these ions in water.
What are hydroxide ions?
200

Bond a Calcium metal with two chlorines.

 [Ca]+2 [Cl2]-1

300

True or False -Ionic compounds are not soluble in water.

What is false?

300
Electrons are ______ in covalent compounds.
What is shared?
300
This is the range on the pH scale for an acid.
What is 0 to 6.9?
300
Acid or Base...the one that turns blue litmus paper red.
What is acid?
300

Bond two nitrogen atoms together in a covalent bond.

Each nitrogen has 5 valence electrons.

:N=N:

400

This is a property that ionic and covalent compounds have in common.

They both have two elements bonded with electrons.

400
True or False Covalent compounds are made of ions.
What is false?
400
Choose the pH that would be a base: 2.0 10.5 7.0 6.4
What is 10.5?
400

Name three substances that are bases.

drain de-clogger, soap, baking soda, sodium hydroxide

400

Name 5 signs of a chemical reaction.

gas production

change in temp

change in color

light is produced

precipitate falls out of solution

500

This is why ionic compounds can conduct electricity.

What is because they have metal ions in them?

500

Oxygen has 6 valence electrons and bond to another oxygen with 6 valence electrons.  Show the bonding diagram.

:O = O:

..      ..


500

Show the covalent bonding of H and Br.

H has 1 valence electron, Bromine has 7.

    . .

H-Br:

     . .

500

Describe three properties of acids.

pH 0-6.9

taste sour

have excess H+ in water

turn pH paper red

found in coffee, juice, vinegar, hydrochloric acid

500

Draw 2 Aluminum bonded to 3 oxygen in an ionic bond.

Aluminum has 3 valence electrons, oxygen has 6 valence electrons.

[Al2]+3[O3]-2