test review

Question 1

What is an element?

Answer 1

A pure substance made up of one atom

Question 2

What is a compound?

Answer 2

A substance containing 2 atoms or more.

Question 3

What are molecules?

Answer 3

Smallest unchanged individual unit of a substance made of two or more atoms.

Question 4

What is an atom?

Answer 4

Smallest unit of an element that retains its properties and chemical behavior.

Question 5

what is AMU?

Answer 5

Unit of mass used to express atomic and molecular weights.

Question 6

What is MOLS

Answer 6

Measures the amount of a substance
(6.022x1023)

Question 7

Cations

Answer 7

Produced by removing 1 or more electrons.

Question 8

Anions

Answer 8

Produced by adding 1 or more electrons

Question 9

Protons

Answer 9

Atomic number, positive charge, and the definition of the element

Question 10

Neutrons

Answer 10

Atomic mass, and isotopes

Question 11

Electrons

Answer 11

Negative charge, chemical bonding, and physical properties

Question 12

Metals

Answer 12

High conductivity, malleability, lustrous, ductile

Question 13

Non-Metals

Answer 13

Dull, poor conductivity, brittle

Question 14

a-z

Answer 14

neutrons

Question 15

a

Answer 15

atomic mass

Question 16

z

Answer 16

atomic #