Intro to Chemistry

Question 1

What is H?

Answer 1

Hydrogen

Question 2

what is He?

Answer 2

Helium

Question 3

What is Li?

Answer 3

Lithium

Question 4

what is Be?

Answer 4

Beryllium

Question 5

what is B?

Answer 5

Boron

Question 6

what is C?

Answer 6

Carbon

Question 7

what is N?

Answer 7

Nitrogen

Question 8

what is O?

Answer 8

oxygen

Question 9

what is Fl?

Answer 9

Flourine

Question 10

what is Ne?

Answer 10

Neon

Question 11

what is Na?

Answer 11

sodium

Question 12

what is Mg?

Answer 12

Magnesium

Question 13

what is Al?

Answer 13

Aluminium

Question 14

what is Si?

Answer 14

silicon

Question 15

what is P?

Answer 15

Phosphorus

Question 16

what is S?

Answer 16

Sulphur

Question 17

what is Cl?

Answer 17

Chlorine

Question 18

what is Ar?

Answer 18

Argon

Question 19

what is K?

Answer 19

Potassium

Question 20

what is Ca?

Answer 20

Calcium

Question 21

What is fractional distillation?

Answer 21

A way of separating liquids that dissolve into each other (Miscible liquids)

Question 22

How does distillation work?

Answer 22

It heats the solution, the solvent evaporates and is trapped and condensed leaving only the solute.

Question 23

What is a compound?

Answer 23

Have a fixed ratio composition, chemical reactions must be used to separate them, there is bonds between the different elements.

Question 24

What is a mixture?

Answer 24

No fixed ratio, can separate easily (physically), no chemical bonds.

Question 25

What is the difference between a molecule and an atom?

Answer 25

A molecule is 2 or more atoms but an atom is singular element

Question 26

What is an atom with a positive charge called?

Answer 26

cations

Question 27

What is an atom with a negative charge called?

Answer 27

Anions

Question 28

What is a Solution?

Answer 28

the product of mixing a solute and solvent

Question 29

What is a solute?

Answer 29

something that dissolves in a liquid

Question 30

What is a solvent?

Answer 30

something that dissolves a solute

Question 31

What is the law of conservation of mass

Answer 31

The total mass of products formed in a reaction is equal to the mass of the reactants.