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Chemistry > Subatomic Particles-Paper 1 > Flashcards

Subatomic Particles-Paper 1 Flashcards

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1
Q

Which number is the Atomic number and the formula mass?

A

The smaller number is the Atomic number (number of protons) BOTTOM
whereas TOP is Formula Mass

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2
Q

What is the atomic number?

A

Number of protons.

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3
Q

What is the atomic mass?

A

sum of protons and neutrons.

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4
Q

Atoms must always have equal numbers of protons and….

A

Electrons.

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Chemistry (41 decks)

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