1B – atomen les 2

• Natuurkunde / Scheikunde
• Middelbare school
• vwo
• Leerjaar 1

This lesson

• The homework
• Working with the simulation
• The size of an atom

Goals

• To describe an atom (component and structure)
• What determines the mass of an atom?
• What deterimens which element an atom is
• What determines the charge of an atom?

The homework

The homework

Is this gif correct?

Which element was it?

Which element was it?

The mass of the atom is?

a: 3 mass units

b: 4 mass units

c: 6 mass units

d: 7 mass units

e: 11 mass units

The mass of the atom is?

a: 3 mass units

b: 4 mass units

c: 6 mss units

d: 7 mass units

e: 11 mass units

The charge of this atom is:

a. 0, this atom is neutral

b. -3

c. -1

d. +1

e. +3

The charge of this atom is:

a. 0, this atom is neutal

b. -3

c -1

d +1

e +3

The homework

For tomorrow:

Exercise 2,3 and 4  – page 22, 23, 24, 25

For next monday:

Exercise 5 and 6 – page 23, 24, 25, 26

Goals

• To describe an atom (component and structure)
• What determines the mass of an atom?
• What deterimens which element an atom is
• What determines the charge of an atom?