Слайд 2
![Q2: Complete the following nuclear equations (the question marks)](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/213545/slide-1.jpg)
Q2: Complete the following nuclear equations (the question marks)
Слайд 3
![Pre-lesson activity: What is the atomic mass? Why we do](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/213545/slide-2.jpg)
Pre-lesson activity:
What is the atomic mass?
Why we do not use the
absolute atomic mass?
How the relative atomic mass was calculated?
What is the value of amu?
Why the atomic masses in the periodic table are not necessarily whole numbers?
Слайд 4
![Theme of the lesson Atomic mass](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/213545/slide-3.jpg)
Theme of the lesson
Atomic mass
Слайд 5
![Learning objectives Calculate relative atomic, molecular and formula masses. Explain](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/213545/slide-4.jpg)
Learning objectives
Calculate relative atomic, molecular and formula masses.
Explain why the atomic
masses in the periodic table are not necessarily whole numbers.
Calculate relative isotopic ratios from molar mass.
Слайд 6
![Success criteria Student achieves if He/she will be able to](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/213545/slide-5.jpg)
Success criteria
Student achieves if
He/she will be able to calculate relative
atomic, molecular and formula masses
He/she can explain why the atomic masses in the periodic table are not necessarily whole numbers
He/she will be able to calculate relative isotopic ratios from molar mass
Слайд 7
![The relative atomic mass is calculated using the equation:](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/213545/slide-6.jpg)
The relative atomic mass is calculated using the equation: