Question

Please answer as correctly as possible so I can have a clear understanding.

Please select all that would apply for Sulfur.

More than one answer can be correct in this problem. Please check all are correct According to periodic trends and its locati

has a low electron affinity. would produce positive energy when an electron was added would produce -0 kJ of energy when an e

Please select the best option.

What is true about the halogens (Group 7A)? (Just one correct answer) А Halogens have low electron affinities. Halogens are a


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Answer #1

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Question 1

Sulfur has high electron affinity so A is incorrect

When an electron is added to sulfur than energy is released i.e. negative energy ( enthalpy change is negative) so B option is incorrect

As already explained C option is incorrect

Sulfur is nonmetal so option D is incorrect but option E is correct

F option is correct addition of electron to sulfur release energy (enthalpy change is negative)

Sulfur has highest electron affinity in 16th group so G option is correct

Question2

A is incorrect i.e. halogens have high electron affinity

B option is incorrect i.e. halogens are nonmetals

C option is incorrect since all halogens are nonmetals so they are nonconductors

D option is correct as electronic configuration of halogens is ns2 np5

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