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GCSE Chemistry - Atomic Structure & Bonding

Isotopes, R.A.M. & Atomic Number

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1. a) Which represents the total number of protons/electrons?

[1]

a b

b does

b) Which represents the total relative mass of protons and neutrons?

[1]

a b

a does

2. a) All isotopes have the same number of ____(A)____ but a different number of ____(B)____ as normal atoms. What is at "A"?

[1]

Protons

b) What is at "B"?

[1]

neutrons

3. Do isotopes behave differently in chemical reactions?

[1]

Yes No

No.

4. R.A.M. (or Ar) is simply how heavy atoms are compared with...

[1]

Hydrogen 1/2 Beryllium 1/12 Carbon-12

1/12 of Carbon

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Subjects

• GCSE Phsyics
• AS Physics
• A2 Phsyics
• GCSE Chemistry
• Driving Theory

Tests on the same topic

• Atoms
• Isotopes, R.A.M. & Atomic Number

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