Nonmetals

Question 1

Which describes any compound that has at least one element from group 17?

Revolt · Accepted Answer

halide

Question 2

Looking at the same nonmetal group on the periodic table, how does the reactivity of an element in period 2 compare to the reactivity of an element in period 4?

Revolt · Accepted Answer

The period 2 element would be more reactive because the attractive force of protons is stronger when electrons are attracted to a closer electron shell.

Question 3

On the periodic table, the elements known as noble gases are all found in

Revolt · Accepted Answer

group 18.

Question 4

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

Revolt · Accepted Answer

at the top of group 17

Question 5

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 6

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

Revolt · Accepted Answer

HBr

Question 7

Which statement best explains why radon and krypton do not bond easily with other elements?

Revolt · Accepted Answer

They have eight electrons in their valence shells, so they are stable without gaining or losing electrons.

Question 8

Which element has a complete valence electron shell?

Revolt · Accepted Answer

argon (Ar)

Question 9

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 10

Which describes any substance that shatters or breaks easily?

Revolt · Accepted Answer

brittle

Nonmetals Answers

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