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Characteristics of s- Block Elements

Elements with...

Question

Elements with low electronegativity are usually non-metallic.

A

True

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B

False

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Solution

The correct option is B False
Generally, values of electronegativity of metallic elements are low, whereas electronegativity values of non-metals are high.

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Similar questions

Q. An atom with high electronegativity has
i. Small size
ii. Low electron affinity
iii. Low ionisation energy
iv. High non-metallic character

[1 mark]

Q. Name the element having highest and lowest values for the following:
a) electron affinity
b) ionisation potential
c) metallic character
d) non-metallic character
e) electronegativity

Q. Molecular compounds are usually formed by the combination between :
(a) a metal and a non-metal
(b) two different non-metals
(c) two different metals
(d) any two gaseous elements

Metals are usually hard and difficult to cut.
On the other hand, non-metals are usually brittle. When hit with a hammer, they break into small pieces.

Identify the element that is relatively brittle from the options below:

Q. Explain:
(i) Larger the atomic size, more metallic is the element.
(ii) Halogens have high electron affinity.
(iii) Size of atom changes when it loses or gain electron.
(iv) K is more reactive than Li.
(v) Electronegativity of Cl is higher than S.
(vi) Group 17 elements are non-metals, while group 1 elements are metals.

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Characteristics of s- Block Elements

Standard X Chemistry

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