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Science Test Space
Class 8
Periodic classification of elements
Textbook questions
5.
State whether true or false. If false, correct the statement I
Question:
3
m.
1.
Newlands’ table is based on atomic masses of elements and modern periodic table is based on atomic number of elements.
True
False
Newlands table based on the atomic number and the modern periodic table is based on the atomic masses.
Newlands table based on the atomic masses and the modern periodic table is based on the atomic number.
2.
Metals can gain electrons.
False
True
Metals can gain electrons.
Metals can lose electrons.
3.
Alloys have the properties of both metals and non-metals.
True
False
Alloys donot have the properties of both metals and non-metals.
Alloys have the properties of both metals and non-metals.
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