Worksheetschemistry S3T14
Total questions: 5
Worksheet time: 3mins
Name
Class
Date
1.
which answer refer to heterogenous mixture?
a)
sea water
b)
vinegar
c)
orange juice with pulp
d)
air
2.
How many hidrogen atoms are in 72.5g of C3H8O?
a)
9.666
b)
1.208
c)
5.82 × 1024
3.
IN ISOTOPES WHICH ONE HAS THE SAME VALUE?
a)
NEUTRON
b)
NUCLEON
c)
PROTON
4.
ALL ARE EXCEPTION TO OCTET RULE EXCEPT,
a)
EXPANDED OCTET
b)
ADD NUMBER PROTON
c)
INCOMPLETE OCTET
d)
ADD NUMBER ELECTRON
5.
1s22s2, this electron configuration refer to
a)
full-filled 2 orbital
b)
half-filled 2s orbital
c)
partially-filled 2s orbital
d)
full-filled 2s orbital
100 %
