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10 Table I shows the number of proton and neutron of particles P, Q, R and S.
Jadual I menunjukkan bilangan proton dan bilangan neutron bagi zarah P, Q, R
dan S.
Element Number of proton Number of neutron
Unsur Bilangan proton Bilangan neutron
P 15 t6
a 17 18
R t7 20
s 19 20
Table 1
Jadual I
Which elements are isotopes?
Unsur-unsur rnanakah adalah isotop'l
A PandQ
P danQ
B PandS
P dan S
C QandR
QdanR
D RandS
R danS
1511/1 o 2015 Hak cipra Kerajaar Malaysia SI,]LTT
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