Occurrence of Elements of Groups 16, 17 and 18

IMPORTANT

Occurrence of Elements of Groups 16, 17 and 18: Overview

This Topic covers sub-topics such as Halogens, Chalcogens, Occurrence of Noble Gases, Group 18: Noble Gases, Group 16: Oxygen Family, Occurence of Group 17 Elements, Group 17: Fluorine Family and, Occurence of Group 16 Elements

Important Questions on Occurrence of Elements of Groups 16, 17 and 18

MEDIUM
IMPORTANT
chemistry>Elements of Groups 16, 17 and 18>Occurrence of Elements of Groups 16, 17 and 18> Q 1

In classification of elements apart from Metals , Non-Metals and Metalloids there is even Inert gas right?

EASY
IMPORTANT
chemistry>Elements of Groups 16, 17 and 18>Occurrence of Elements of Groups 16, 17 and 18> Q 2

Which of the following is not a mineral of fluorine?

EASY
IMPORTANT
chemistry>Elements of Groups 16, 17 and 18>Occurrence of Elements of Groups 16, 17 and 18> Q 3

The element that is generally found in minerals of radioactive materials is

MEDIUM
IMPORTANT
chemistry>Elements of Groups 16, 17 and 18>Occurrence of Elements of Groups 16, 17 and 18> Q 4

Give one chemical method for the preparation of flourine.

MEDIUM
IMPORTANT
chemistry>Elements of Groups 16, 17 and 18>Occurrence of Elements of Groups 16, 17 and 18> Q 5

Why are the group 16 elements called chalcogens?

MEDIUM
IMPORTANT
chemistry>Elements of Groups 16, 17 and 18>Occurrence of Elements of Groups 16, 17 and 18> Q 6

Which of the given acids is most acidic in nature?

EASY
IMPORTANT
chemistry>Elements of Groups 16, 17 and 18>Occurrence of Elements of Groups 16, 17 and 18> Q 7

Write true or false: Group 16 elements are called halogens.

EASY
IMPORTANT
chemistry>Elements of Groups 16, 17 and 18>Occurrence of Elements of Groups 16, 17 and 18> Q 8

The group 16 elements are also known as pnictogens.

MEDIUM
IMPORTANT
chemistry>Elements of Groups 16, 17 and 18>Occurrence of Elements of Groups 16, 17 and 18> Q 9

Name the elements present in the oxygen family.

EASY
IMPORTANT
chemistry>Elements of Groups 16, 17 and 18>Occurrence of Elements of Groups 16, 17 and 18> Q 10

Which of the following is the correct sequence of bond-energies?

EASY
IMPORTANT
chemistry>Elements of Groups 16, 17 and 18>Occurrence of Elements of Groups 16, 17 and 18> Q 11

_____ belongs to the Group-17 of the periodic table, which are called halogens.

EASY
IMPORTANT
chemistry>Elements of Groups 16, 17 and 18>Occurrence of Elements of Groups 16, 17 and 18> Q 12

Group-____ elements are called as halogens.

EASY
IMPORTANT
chemistry>Elements of Groups 16, 17 and 18>Occurrence of Elements of Groups 16, 17 and 18> Q 13

Explain why Group-17 elements are called as halogens?

EASY
IMPORTANT
chemistry>Elements of Groups 16, 17 and 18>Occurrence of Elements of Groups 16, 17 and 18> Q 14

Discuss the occurrence of halogens.

EASY
IMPORTANT
chemistry>Elements of Groups 16, 17 and 18>Occurrence of Elements of Groups 16, 17 and 18> Q 15

Which of the following is correct about compound X (Atomic number =18)?

MEDIUM
IMPORTANT
chemistry>Elements of Groups 16, 17 and 18>Occurrence of Elements of Groups 16, 17 and 18> Q 16

The elements, selenium and tellurium occur as metal selenides and tellurides in 

MEDIUM
IMPORTANT
chemistry>Elements of Groups 16, 17 and 18>Occurrence of Elements of Groups 16, 17 and 18> Q 17

Name the synthetic radioactive element of Group-16 of the periodic table.

MEDIUM
IMPORTANT
chemistry>Elements of Groups 16, 17 and 18>Occurrence of Elements of Groups 16, 17 and 18> Q 18

Write a short note on the occurrence of noble gases in atmosphere.

MEDIUM
IMPORTANT
chemistry>Elements of Groups 16, 17 and 18>Occurrence of Elements of Groups 16, 17 and 18> Q 19

How is radon obtained from radium?

EASY
IMPORTANT
chemistry>Elements of Groups 16, 17 and 18>Occurrence of Elements of Groups 16, 17 and 18> Q 20

Assertion: The majority of noble gas compounds are those of xenon (Xe).

Reason: Xenon has the lowest ionization enthalpy and can be easily oxidized by oxidizing agents like oxygen and fluorine