1
Q
what does it usually occur btwn
A
metal & non metals
2
Q
What does cations mean
A
when atoms lose electrons ( have + sign)
2
Q
what does anions mean
A
when atoms gain electrons ( have - sign)
3
Q
What if we need to multiply the number of atoms?
A
3
Q
what is ionic bonding
A
transfer of electrons from metallic to non metallic ions, so both have stable duplet or octet configuration
3
Q
what are the things to take note when drawing ionic bonds?
A
-must have key
-diff no. of shells means must have size diff
-dot and cross diagram means ( x & o)
-write the no. of electrons gained or lost at the side of bracket
4
Q
A
chem1
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