Unit 7.3 and repeat 8.1/2

• Scheikunde
• Middelbare school
• havo, vwo
• Leerjaar 3

How do I recognize a molecular substance?

1. Formula contains kinds of atoms of metals and non-metals
2. Formula contains kinds of atoms of non-metals
3. All oxides are a molecular substance
4. By holding a magnete near the substance

Which substance has the strongest Van der Waals bonding?

1. left
2. middle
3. right
4. I don't know

What is an atomic bond?

1. The line between atoms
2. a shared pair of elektrons
3. Atoms bonded together
4. covalence

Look in the periodic table: What is the covalence of nitrogen?

1. 1
2. 2
3. 3
4. 4

Look in the periodic table: What is the covalence of sulfur?

1. 1
2. 2
3. 3
4. 4

Indicate the hydrocarbon below

1. CO2
2. C6H12O6
3. C15H32
4. C3H7S

With the cracking of C18H38 the smaller molecules C9H18 and ........ occur

With the cracking of C20H42 the smaller molecules C9H18 and ........ occur

This hydrocarbon is

1. branched + saturated
2. branched + unsaturated
3. unbranched + saturated
4. unbranched + unsaturated

This hydrocarbon is

1. branched + saturated
2. branched + unsaturated
3. unbranched + saturated
4. unbranched + unsaturated

This hydrocarbon is

1. branched + saturated
2. branched + unsaturated
3. unbranched + saturated
4. unbranched + unsaturated

This hydrocarbon is

1. branched + saturated
2. branched + unsaturated
3. unbranched + saturated
4. unbranched + unsaturated

Give the systematic name of:

Give the systematic name of:

Give the systematic name of:

Give the systematic name of:

Indicate the structural formulas of the isomers

1. I and II
2. I and III
3. II and IV
4. I and IV

Give the molecular formula of an alkane with 5 C-atoms.

Give the molecular formula of an alkene with 30 C-atoms.