Size & Mass of Atoms (OCR GCSE Chemistry A, Combined (Gateway Science Suite)): Flashcards

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Size & Mass of Atoms
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Radius of an atom in metres

1×10−101 \times 10^{-10} m

Radius of an atom in nanometres

0.1 nm

Radius of the nucleus in metres

1×10−141 \times 10^{-14} m

Nucleus radius compared to atom radius

Less than 1/10,000 of the atom's radius

Radius of a typical bacterium in metres

1×10−61 \times 10^{-6} m

Radius of a human hair in metres

1×10−41 \times 10^{-4} m

Relative mass of a proton

1

Relative mass of a neutron

1

Relative mass of an electron

Very small

Relative charge of a proton

+1

Relative charge of a neutron

0

Relative charge of an electron

-1

Location of nearly all the atom's mass

In the nucleus

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Simple Model of the Atom

The Periodic Table

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Simple Model of the Atom

The Periodic Table

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Simple Model of the Atom

The Periodic Table

Explore OCR GCSE Chemistry A, Combined (Gateway Science Suite) Exam Questions by Topics

Simple Model of the Atom

The Periodic Table

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