Question

What are bromine, iodine, fluorine, chlorine, astatine, and, tennessine collectively known as?

Answer 1

Answer:

HEY MATE...

GOOD MORNING...

THEY ARE COLLECTIVELY KNOWN AS HALOGENS...

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HAVE A GRT DAY AHEAD

Answer 2

Dear Student,

◆ Answer -

Bromine, iodine, fluorine, chlorine, astatine, and, tennessine collectively known as halogens.

◆ Properties of halogens -

• Outer electronic configuration of halogens is ns2 np5.
• All are electron acceptors due to high electronegativity.
• Common oxidation state is -1.
• They are good oxidizing agents.
• Their colour becomes darker down the group.
• They are all non-metals.
• Most of them are poisonous.

Thanks dear. Hope this helps you...