Landstede Groep

3.4.2 Atomic structure part 2

ELECTRON

NUCLEUS

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Slide 1: Drag question

ScienceSecondary Education

This lesson contains 12 slides, with interactive quizzes and text slides.

Lesson duration is: 50 min

Items in this lesson

ELECTRON

NUCLEUS

Slide 1 - Drag question

PROTONS

ELECTRONS

NEUTRONS

NO CHARGE

POSITIVE CHARGE

NEGATIVE CHARGE

Slide 2 - Drag question

Slide 3 - Slide

Calculate the number of protons, neutrons and electrons in an atom of oxygen

Slide 4 - Open question

Slide 5 - Slide

If the abundance of three isotopes of oxygen are oxygen -16 is 99.7 %, oxygen -17 is 0.38 % and oxygen-18 is 0.20 % what is the average atomic mass of oxygen?

17.5

Slide 6 - Quiz

Using the abundance of lithium isotope predict the atomic mass of lithium atom

6.94

8.0

5.50

7.93

Slide 7 - Quiz

A sample of copper contains 69.17 % Cu-63 and 30.83 % of Cu-65. What is the average atomic mass of copper?

Slide 8 - Open question

Nitrogen contains 99.63 % N-14 and 0.37 % N-15. What is the average atomic mass of nitrogen

Slide 9 - Open question

Mass percentages.
What is the mass percentage of carbon in:

C^{​ 11 ​ ​} H^{​ 22 ​ ​} O^{​ 11 ​ ​}