Elements compounds and mixtures

Question 1

What is an alement?

Answer 1

An eleemt is one type of atom and it cannot be split into any more

Question 2

What is a compound?

Answer 2

A compound is 2 or more types of atoms chemically joined together.

Question 3

What is an atom?

Answer 3

An atom is the smallest particle that can exist.

Question 4

What is a molecule?

Answer 4

A molecule is a particle made up of 2 or more atoms strongly bonded together.

Question 5

Numbers?

Answer 5

Mono - 1
Di- 2
Tri-3
tetra-4
penta-5
hexa-6
Hepta - 7
Octa - 8
Nona - 9
deca - 10

Question 5

What is a mixture?

Answer 5

Two substances that are not bonded together
Example- Salty water

Question 6

He

Answer 6

Helium

Question 7

Cu

Question 7

Cr

Question 8

Fe

Question 9

Xe

Question 10

SO2

Answer 10

Sulfur dioxide

Question 11

SO3

Answer 11

Sulfur trioxide

Question 12

State properties of metals?

Answer 12

Sonorous, Malleable, Ductile, Strong, Good conductor of both heat and electricity

Question 13

State properties of non-metals?

Answer 13

Weak, brittle, Poor conductor of both heat and electricity, Dull.

Question 14

Ductile

Answer 14

Can be pulled into wires

Question 15

Malleable

Answer 15

Can be hammered into thin sheets.

Question 16

Sonorus

Answer 16

Makes and clang sound when hit with a hammer

Question 17

Brittle

Answer 17

Can shatter

Question 18

What is physical property?

Answer 18

These are reversible properties such as change of state. NO NEW SUBSTANCES ARE MADE.

Question 19

What is a chemical property

Answer 19

These are irreversible properties that change the molecular structure of the substance such as a chemical reaction. NEW SUBSTANCES ARE MADE.