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Which elements are called rare earths?...

Which elements are called rare earths?

A

Lanthanoids

B

Actinoids

C

Halogens

D

Noble gases

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The correct Answer is:
A
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MAXIMUM PUBLICATION-MODEL PAPER 2-EXAMPLE
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  2. Which of the following is a polar molecule?

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  3. Which elements are called rare earths?

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  4. The valency of two elements are given below. Al-3,O-2 The chemical...

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  5. There are 11 electrons and 12 neutrons In an atom. Find out the atom...

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  6. There are 11 electrons and 12 neutrons In an atom. Write the electro...

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  7. What are isotopes?

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  8. Which are the Isotopes of Hydrogen.

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  9. The atomic numbers of certain elements are given below. N=7, O=8, Cl...

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  10. The atomic numbers of certain elements are given below. N=7, O=8, Cl...

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  11. The atomic numbers of certain elements are given below. N=7, O=8, Cl...

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  12. What are the characteristics of transition elements?

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  13. What are redox reactions?

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  14. What is the relation between surface area and rate of chemical reactio...

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  15. The atomic number of two elements are given below. Mg = 12, O = 8 W...

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  16. The atomic number of two elements are given below.Mg = 12,O = 8 Whic...

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  17. The atomic number of two elements are given below.Mg = 12,O = 8 Draw...

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  18. Analyse the table given below. Fill up the blanks

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  19. Analyse the table given below. Write the chemical formula of the com...

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  20. Which of the following chemical equation are balanced? H2+O2rarrH2O ...

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