Nonmetals

Question 1

Which compound forms a powerful acid and also contains a halogen?

Revolt · Accepted Answer

HBr

Question 2

Krypton is named after the Greek word that means “secret.” Which explains why krypton was most likely given this name?

Revolt · Accepted Answer

Krypton is a noble gas, so it was difficult for chemists to find it, as though it was a secret.

Question 3

A student is working with four different solid substances: sodium (Na), calcium (Ca), copper (Cu), and iodine (I). Which substance is most likely to break easily into many smaller pieces?

Revolt · Accepted Answer

iodine

Question 4

When looking across the periodic table from left to right, which of these groups are the first to contain nonmetals?

Revolt · Accepted Answer

group 14

Question 5

What property do all of the group 18 elements have that makes them stand out from other elements?

Revolt · Accepted Answer

They are very unlikely to bond with any element, whether it is metallic or not.

Question 6

What is the most likely reason that nonmetals are electrical insulators?

Revolt · Accepted Answer

Since valence shells in nonmetal atoms are almost full, the atoms attract electrons and hold them tightly to fill their valence shells.

Question 7

Which describes any substance that shatters or breaks easily?

Revolt · Accepted Answer

brittle

Question 8

Where are the most reactive nonmetal elements found on the periodic table?

Revolt · Accepted Answer

at the top of group 17

Nonmetals Answers

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