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The Structure of the atom OALH

Last updated almost 5 years ago
40 questions
Do Now:
1

Name the three subatomic particles in an atom.

1

Name the two subatomic particles in the nucleus.

1

State what is shown in a predator-prey graph.

1

State what is meant by the resoltution of an instrument.

1

Give 20,000 in standard form.

1

Challenge: define an isotope.

Key Knowledge LCWC
1

What is the charge, relative size and location of a proton?

1

What is the charge, relative size and location of a neutron?

1

What is the charge, relative size and location of an electron?

1

What is the radius of an atom?

1

What is the radius of a nucleus?

1

Define atomic number.

1

Define atomic mass number.

1

Define isotope.

1

What is the charge, relative size and location of a proton?

1

What is the charge, relative size and location of a neutron?

1

What is the charge, relative size and location of an electron?

1

What is the radius of an atom?

1

What is the radius of a nucleus?

1

Define atomic number.

1

Define atomic mass number.

1

Define isotope.

Recall Quiz
1

What is the relative charge of a:
(i) proton
(ii) neutron
(iii) electron

1

What is the relative mass of a:
(i) proton
(ii) neutron
(iii) electron

1

Define "atomic number".

1

What is the approximate radius of:
(i) a nucleus
(ii) an atom

1

Define "isotope".

We do:
1

Step 1: find boron on the periodic table and write out the symbol with atomic and mass number. Label the mass number and atomic number

1

Step 2: Determine the number of protons Identify the atomic number - this is the number of protons

1

Step 3: Determine the number of electrons In an atom the number of electrons = the number of protons

1

Step 4: Determine the number of neutrons number of neutrons = mass number – atomic number

You do:
1

Step 1: find aluminium on the periodic table and write out the symbol with atomic and mass number. Label the mass number and atomic number

1

Step 2: Determine the number of protons Identify the atomic number - this is the number of protons

1

Step 3: Determine the number of electrons In an atom the number of electrons = the number of protons

1

Step 4: Determine the number of neutrons number of neutrons = mass number – atomic number

Plenary:
1

Define mass number

1

What is an isotope?

1

What does the aotmic number tell us?

1

What is the raduis of an atom?

1

What is the radius of a nucleus?