Atomic structure

• Science
• Secondary Education

SCIENCE

GRADE-9

Ms.Famin

STARTER- Recognize her

CLUES:

Dr Reem Almeala

Bahraini Scientist specialized in Marine Biology

OBJECTIVES 

1. Describe the characteristics of an atom

2. Explore the number of protons, neutrons and electrons in  isotopes 

https:

Electron

Proton

Neutron

Nucleus 

Calculate the number of protons, electrons and neutrons in the given atom

CHALLENGE-What is true of all neutral atoms?

1. they have equal numbers of neutrons and electrons
2. they have equal numbers of protons and neutrons
3. they have equal numbers of protons and electrons
4. they have equal numbers of protons, neutrons and electrons

CHALLENGE- Why are we not attracted to atoms around us?

objective check

Describe the characteristics of an atom

CHALLENGE- VISUAL CHECK 

How are they different ?

Use chat box to answer 

VIDEO 

Mcgraw hill with assessment 

ISOTOPES 

isotopes are atoms of the element with same number of protons but different number of neutrons 

GROUP ACTIVITY -10 mins 

1. Each member of the group will find the number of protons, neutrons and electrons in the isotope given 

2. Group leader will monitor the activity

3. At the end of the activity group presenter will present the result

Back to objective

1. Describe the characteristics of an atom

2. Explore  the number of protons, neutrons and electrons in isotopes

plenary