Question 1

Which of the following is a property of nonmetals?

Accepted Answer

often brittle/powdery in the solid form

Answer

usually liquids at room temperature

Answer

shiny, malleable & ductile

Answer

good conductors of heat  & electricity

Question 2

What type of bonding occurs when a nonmetal gains an electron from a metal and becomes a negative ion?

Accepted Answer

ionic

Answer

covalent

Question 3

Which element makes up 90% of the atoms in the universe, forms a diatomic molecule and is highly reactive?

Accepted Answer

hydrogen

Answer

fluorine

Answer

argon

Answer

oxygen

Question 4

Which halogen is the most chemically active nonmetal and is often used as an additive in toothpaste and city water to prevent tooth decay,  It is also used to etch glass & frost the inner surface of light bulbs.

Accepted Answer

fluorine

Answer

bromine

Answer

iodine

Answer

hydrogen

Question 5

Which group of elements exists as isolated atoms, do not form compounds naturally and are used in blimps, brightly colored light-up signs and lasers?

Accepted Answer

noble gases

Answer

alkali metals

Answer

halogens

Answer

metalloids

Question 6

What type of bonding occurs when a nonmetal shares electrons with another nonmetal?

Accepted Answer

covalent

Answer

ionic

Question 7

Which group of nonmetals are used in lightbulbs, form salts when bonded to metals and can be identified by their distinctive colors?

Accepted Answer

halogens

Answer

noble gases

Answer

alkali metals

Answer

lanthanides

Question 8

Which group of elements in the periodic table is known as the noble gases?

Accepted Answer

group 18 (8A)

Answer

group 17 (7A)

Answer

group 15 (5A)

Answer

group 16 (6A)

Question 9

Which nonmetal is a purple-gray solid at room temperature, undergoes sublimation when heated and is essential in your diet for producing the hormone thyroxin?

Accepted Answer

iodine

Answer

bromine

Answer

chlorine

Answer

astatine

Question 10

Which nonmetal is rare, radioactive and mainly used for research purposes (potential to be used in the future for cancer treatment)?

Accepted Answer

astatine

Answer

xenon

Answer

iodine

Answer

bromine

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