Why are the group - 16 elements called c...

Why are the group - 16 elements called chalcogens?

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Chalcogens means ore forming. The elements of group - 16 are called chalcogens because many metals are found as oxides and sulphides and a few as selenides and tellurides.

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Why are group 1 elements called alkali metals?

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Knowledge Check

Group 17 elements are also called as

A

Alkali metals

B

Alkali earth metals

C

Halogene

D

Noble gases

The group of sepals is called :

A

corolla

B

calyx

C

androecium

D

gynoecium

Chalcogens are

A

Oxide forming element

B

Ore forming element

C

Those having ability to catenate

D

Hydrocarbons

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Group - 16 elements have lower ionisation enthalpy values compared to those group - 15 elements in the corresponding periods. Give reason.

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Why are transition elements so named ?

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How does electronegativity of group - 16 elements changes down the g roup?

OSWAAL PUBLICATION-P - BLOCK ELEMENTS-TOPIC - 2 (GROUP - 15 ELEMENTS, THEIR PROPERTIES AND SOME IMPORTANT COMPOUNDS)(LONG ANSWER TYPE QUESTIONS)

Why are the group - 16 elements called chalcogens?
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