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C1.7 Ions, atoms and isotopes
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Total cards: 7•Content version: v3•Public deck•Updated: 8/1/2026
Card preview (7)
#1
Front (Question)
What is an ion?
Back (Answer)
When an atom gains or loses an electron
#2
Front (Question)
How big is a nanometre?
Back (Answer)
1x10^-9 m
#3
Front (Question)
What are isotopes?
Back (Answer)
A same version of an element but with different number of neutrons
#4
Front (Question)
What do isotopes have in common with the previous version of the element?
Back (Answer)
The same number of protons and electrons
#5
Front (Question)
What can a extra number of neutrons do to the nucleus?
Back (Answer)
Make it unstable
#6
Front (Question)
What do different isotopes have that are different from other isotopes of the element?
Back (Answer)
Different Physical properties
#7
Front (Question)
Why do isotopes have the same chemical properties?
Back (Answer)
Their electronic structure is the same and the reaction depends on the structure