Atomic structure
Describe the structure of an atom in terms of the number of protons, neutrons and electrons. Understand atomic mass and atomic number and use them to calculate the number of subatomic particles.
Atomic structure
Describe the structure of an atom in terms of the number of protons, neutrons and electrons. Understand atomic mass and atomic number and use them to calculate the number of subatomic particles.
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Lesson details
Key learning points
- State the charges and mass of the three subatomic particles
- Identify the atomic mass and atomic number of elements
- State the number of protons, electrons and neutrons in different elements
Equipment
Periodic table, calculator
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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6 Questions
Q1.
An element is a substance made of type of atom.
Q2.
The periodic table shows all of the existing chemical .
Q3.
What is the correct chemical symbol for calcium?
C
Cs
Cu
Q4.
The nucleus is the ______ of the atom.
outside
shells
whole
Q5.
Which two statements are correct about electrons?
Electrons have a charge of +1.
Electrons have a charge of 0.
Electrons have a mass of -1.
Electrons have a mass of +1.
Q6.
Which statement describes the current accepted model of the atom?
Electrons and neutrons in the nucleus with protons in shells.
Electrons and protons in the nucleus with neutrons in shells.
6 Questions
Q1.
Finish the sentences about the atom.
nucleus.
shells.
space between shells and nucleus.
Q2.
Which two statements are correct about protons?
They are located in the shells.
They have a charge of -1.
They have a charge of 0.
Q3.
What is the overall charge of the atom?
-1
+1
+2
Q4.
How do you calculate the amount of each subatomic particle in an atom?
same as the atomic number
equal to the number of protons
the atomic mass subtract the atomic number
Q5.
How many electrons does phosphorus have?
16
31
46
Q6.
How many neutrons does zinc have?
30
65
95