Atomic Theory and Periodic Table

Question 1

What polyamic Ion is “NH4 1+” and it’s charge?

Answer 1

ammonium (charge 1+)

Question 2

What polyamic Ion is “OH1-“ and it’s charge?

Answer 2

Hydroxide (Charge 1-)

Question 3

What polyamic Ion is NO3 1- ?

Answer 3

Nitrate (charge 1-)

Question 4

What polyamic Ion is No2 1- ?

Answer 4

Nitrite (charge 1-)

Question 5

What polyamic Ion is CO3 2- ?

Answer 5

Carbonate (charge 2-)

Question 6

What polyamic Ion is SO4 2- ?

Answer 6

Sulphate (charge 2-)

Question 7

What polyamic Ion is PO3 3- ?

Answer 7

Phosphate (charge 3-)

Question 8

Which polyamic Ion is the only posistive electron? Name + Symbol!

Answer 8

Ammonium NH4 1+

Question 9

Properties of metals (Hint: 5 properties)

Answer 9

Hard, Conduct heat/electricity, Shiny, Give away (lose) electrons to form compounds, React with acids to form H2 gas.

Question 10

Properties of non-metals (Hint: 4)

Answer 10

Brittle, Dull, Don’t conduct electricity or heat, Take (gain) electrons to form compounds

Question 11

Properties of Metalloids (Hint 2)

Answer 11

Some properties of metals, some properties of non-metal

Question 12

Name the prefixes in order from the COVALENT COMPOUNDS

Answer 12

1. Mono
2. Di
3. Tri
4. tetra
5. pentra
   6.hexa
6. hepta
7. octa

Question 13

Write the name of the following covalent compound “SO2” (Hint never mono for first word since it’s never used for a first metal)

Answer 13

sulfur dioxide

Question 14

Write the name of the following covalent compound “N20”

Answer 14

Dinitrogen monoxide

Question 15

Write the name of the following covalent compound “S2 CL2”

Answer 15

disulphur dichloride