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Questions on lesson 3
Complete the following statements:
1 – elements are classified into ……………………….. and
…………………………………….
2 - ……………………….. is a liquid non metal , while ………………………… is a
liquid metal.
3 – the group of ……………………………. has metallic luster , but the
group
of …………………………. don't have.
4 – metals are …………………………. Conductors of electricity , but
……………………….. are bad conductors of electricity except
……………………….
5 – metals are good conductors of ………………………… and
………………………………
6 – metals have ……………………….. melting points, while non metals
have
………………………. Melting point.
7 - ……………………are malleable and ductile, but ………………………… are
not.
8 – the positive poles of dry cells are made up of
…………………………..
elelment.
9 – copper is used in manufacturing of …………………………… and
…………………………..
10 – cooking pots are made of ……………………………………
Choose the correct answer:
1 – all of the following are metals except ………………………………
A: copper b. carbon c. iron
2 iron and copper are considered ………………………………
–
A: solid metals b. liquid non metal c. gaseous non metal
3 ……………………… is the simplest form of matter that can't be
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