The d-and f-Block Elements

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Question

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Question 1 :

Europium is

1. s-block element
2. p-block element
3. d-block element
4. f-block element
Answer
5268

Question 2 :

Zn is related to which group

1. IIB
2. IIA
3. IA
4. IB
Answer
5269

Question 3 :

Variable valency is shown by

1. Typical elements
2. Normal elements
3. Transition elements
4. None of these
Answer
5270

Question 4 :

Which of the following is not correct about transition metals

1. Their melting and boiling points are high
2. Their compounds are generally coloured
3. They can form ionic or covalent compounds
4. They do not exhibit variable valency
Answer
5271

Question 5 :

The substance used in cancer therapy is

1. Rn
2. Ni
3. Fe
4. Co
Answer
5272