Intro To Chem

Question 1

What are the different states of matter

Answer 1

Gaseous - no fixed shape or volume
Liquid - no fixed shape but fixed volume
Solid - fixed shape and fixed volume

Question 2

What is the difference between an atom, element, compound and molecule

Answer 2

Atom - smallest unit of matter and consists of protons, electrons and neutrons
Element - made up of one type of atom
Molecule - more than one atom (can be the same element or different)
Compound - more than one type of element

Question 3

What is the formula and charge of a carbonate ion

Answer 3

(CO₃)²⁻

Question 4

What is the formula and charge of a cyanide ion

Answer 4

(CN)⁻

Question 5

What is the formula and charge of an ammonium ion

Answer 5

(NH₄)⁺

Question 6

What is the formula and charge of a hydroxide ion

Answer 6

(OH)⁻

Question 7

What is the formula and charge of a nitrate ion

Answer 7

(NO₃)⁻

Question 8

What is the formula and charge of a sulphate ion

Answer 8

(SO₄)²⁻

Question 9

What is the formula and charge of a phosphate ion

Answer 9

(PO₄)³⁻

Question 11

What is the element H

Answer 11

Hydrogen

Question 12

What is the element Li

Answer 12

Lithium

Question 13

What is the element Na

Answer 13

Sodium

Question 14

What is the element K

Answer 14

Potassium

Question 15

What is the element Rb

Answer 15

Rubidium

Question 16

What is the element Cs

Answer 16

Caesium

Question 17

What is the element Be

Answer 17

Beryllium

Question 18

What is the element Mg

Answer 18

Magnesium

Question 19

What is the element Ca

Answer 19

Calcium

Question 20

What is the element Sr

Answer 20

Strontium

Question 21

What is the element Ba

Answer 21

Barium

Question 22

What is the element Ti

Answer 22

Titanium

Question 23

What is the element Cr

Answer 23

Chromium

Question 24

What is the element Mn

Answer 24

Manganese

Question 25

What is the element Fe

Answer 25

Iron

Question 26

What is the element Co

Answer 26

Cobalt

Question 27

What is the element Ni

Answer 27

Nickel

Question 28

What is the element Cu

Answer 28

Copper

Question 29

What is the element Pd

Answer 29

Palladium

Question 30

What is the element Ag

Answer 30

Silver

Question 31

What is the element Pt

Answer 31

Platnium

Question 32

What is the element Au

Answer 32

Gold

Question 33

What is the element Zn

Answer 33

Zinc

Question 34

What is the element Cd

Answer 34

Cadmium

Question 35

What is the element Hg

Answer 35

Mercury

Question 36

What is the element B

Answer 36

Boron

Question 37

What is the element Al

Answer 37

Aluminium

Question 38

What is the element C

Answer 38

Carbon

Question 39

What is the element Si

Answer 39

Silicon

Question 40

What is the element N

Answer 40

Nitrogen

Question 41

What is the element P

Answer 41

Phosphorus

Question 42

What is the element O

Answer 42

Oxygen

Question 43

What is the element S

Answer 43

Sulfur

Question 44

What is the element As

Answer 44

Arsenic

Question 45

What is the element Sn

Answer 45

Tin

Question 46

What is the element Pb

Answer 46

Lead

Question 47

What is the element F

Answer 47

Fluoride

Question 48

What is the element Cl

Answer 48

Chlorine

Question 49

What is the element Br

Answer 49

Bromine

Question 50

What is the element I

Answer 50

Iodine

Question 51

What is the element He

Answer 51

Helium

Question 52

What is the element Ne

Answer 52

Neon

Question 53

What is the element Ar

Answer 53

Argon