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Subjects
Science CBSE
Class 10
Periodic classification of elements
Classical and modern periodic classification of elements
15.
Select the correct option about periodic classification of elements
Exercise condition:
4
m.
Choose the correct short answers:
1.
Which is metalloid elements.
Pb
Si
Cu
2.
Which of the following is the atomic number of a metal?
\(38\)
\(34\)
\(36\)
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