Atoms, Elements, Compounds & the Periodic Table

Question 1

Transition metals have variable oxidation states.

Accepted Answer

True

Question 2

How many outer electrons in Group V?

Accepted Answer

5

Question 3

Which has a low melting point?

Accepted Answer

Simple molecules

Question 4

Simple molecules have high melting points.

Accepted Answer

False

Question 5

Noble gases are reactive.

Accepted Answer

False

Question 6

Group I metals are soft.

Accepted Answer

True

Question 7

Ionic compounds conduct in solid state.

Accepted Answer

False

Question 8

Which conducts electricity: Diamond or Graphite?

Accepted Answer

Graphite

Question 9

Which element is a gas at room temperature?

Accepted Answer

Fluorine

Question 10

What is the structure of diamond?

Accepted Answer

Tetrahedral

Question 11

Which group has 1+ ions?

Accepted Answer

Group I

Question 12

Which gas is monatomic?

Accepted Answer

Noble gases

Question 13

Halogens are diatomic.

Accepted Answer

True

Question 14

What is an ionic bond?

Accepted Answer

Electrostatic attraction between oppositely charged ions

Question 15

Electrons are heavier than protons.

Accepted Answer

False

Question 16

Which halogen is a liquid?

Accepted Answer

Bromine

Question 17

What is an element?

Accepted Answer

A substance made of one kind of atom

Question 18

Which is a positive ion?

Accepted Answer

Cation

Question 19

Isotopes have different number of protons.

Accepted Answer

False

Question 20

Which element is used in pencil leads?

Accepted Answer

Graphite

Question 21

Group I metals are hard.

Accepted Answer

False

Question 22

Ionic compounds conduct electricity when solid.

Accepted Answer

False

Question 23

Which particle has a +1 charge?

Accepted Answer

Proton

Question 24

Metals are malleable.

Accepted Answer

True

Atoms, Elements, Compounds & the Periodic Table

Questions 24

Atoms, Elements, Compounds & the Periodic Table

Questions 24