Atomic Structure
Presentation
•
Chemistry
•
10th - 11th Grade
•
Practice Problem
•
Medium
Aijiao Low
Used 34+ times
FREE Resource
7 Slides • 12 Questions
1
Atomic Structure
2
Before we start, get ready your notes on Atomic Structure and the Periodic Table.
Let's begin with a recap on sub-atomic particles.
View the video carefully in order to answer some questions.
3
4
Multiple Select
Select the statement(s) that are true about the sub-atomic particles.
Protons are positively-charged.
Protons are negatively-charged.
Neutrons are electrically neutral.
Electrons are positively-charged.
Electrons are negatively-charged.
5
Multiple Select
Select the particle(s) that are found in the nucleus of the atom.
protons
neutrons
electrons
6
Multiple Choice
Is the following statement true or false?
The mass of an atom is largely determined by the number of protons and neutrons.
True
False
7
View the next video on isotopes before you apply what you learnt to answer some questions.
8
9
Multiple Choice
Which of the following is the definition of isotopes?
Isotopes are atoms of the same element with ......
the same number of neutrons but different number of protons
the same number of protons but different number of electrons
the same number of protons but different number of neutrons
10
Multiple Select
Element Y is represented by the symbol
2311Y
Select the statements that are true about an atom of element Y.
An atom of Y has 11 protons.
An atom of Y has 12 protons.
An atom of Y has 12 neutrons.
An atom of Y has 11 neutrons.
An atom of Y has 11 electrons.
11
Multiple Choice
Which of the following can be an isotope of element Y?
23 11Y
2310A
2411D
2412E
12
View the next video to understand how electrons are arranged in electron shells then answer some questions.
13
14
Multiple Choice
Is the following statement true or false?
The electrons of an atom are found in electron shells of same energy level.
True
False
15
Multiple Choice
What will be the electronic configuration of this atom?
147Z
7
14
2,5
2,8,4
16
Multiple Choice
Is this atom stable?
147Z
Yes
No
17
Multiple Choice
What is the maximum number of electrons in the first electron shell for an atom to be stable?
2
8
18
Multiple Choice
What is the maximum number of electrons in the second electron shell for an atom to be stable?
2
8
18
19
Multiple Choice
Which do you think is the easier way for an atom of 147Z to be stable?
lose 5 electrons
gain 3 electrons
Atomic Structure
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