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Chapter 1.2 Atomic Theory

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Total cards: 8•Content version: v3•Public deck•Updated: 8/1/2026

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#1
Front (Question)

The atomic number of an element tells you

Back (Answer)

how many protons an atom of that element has.

#2
Front (Question)

The mass number of an element is equal to the

Back (Answer)

number of protons plus neutorns

#3
Front (Question)

Isotopes are atoms with the same atomic number but

Back (Answer)

different mass numbers

#4
Front (Question)

An ion is a charged particle formed when an atom

Back (Answer)

gains or loses electrons

#5
Front (Question)

Metal atoms lose electrons to form

Back (Answer)

positive ions

#6
Front (Question)

non-metal atoms gain electrons to from

Back (Answer)

negative ions

#7
Front (Question)

Different atoms of the same element have identical

Back (Answer)

atomic numbers

#8
Front (Question)

Isotopes of an element have different

Back (Answer)

mass numbers