Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
32 Cards in this Set
- Front
- Back
- 3rd side (hint)
What do Acids and Bases react to create?
|
Salts
|
|
|
Neutral
|
An acid that has a ph of 7 and is neither acidic or basic.
|
|
|
Acid
|
a solution that has a ph below 7
taste sour react with metals eg. sulfuric acid |
|
|
Base
|
a solution that has a ph over 7
feel slippery taste bitter eg. sodium hydroxide |
|
|
Proton
|
postively charged subatomic particle
|
|
|
Neutron
|
neutrally charged subatomic particle
|
|
|
Electron
|
negatively charged subatomic particle
|
|
|
Democritus
|
400BCE
the smallest particle is called an atom |
|
|
Dalton
|
1803
the atom is a ball with positive and negative charge in it |
|
|
Rutherford
|
1911
electron clump orbits the protons |
|
|
Thompson
|
1904
positive pudding with negative plums |
|
|
Bohr
|
1913
the current atomic model |
|
|
Atomic number
|
the number of protons = the number of electrons
|
|
|
Number of Neutrons
|
Atomic Mass - Atomic number
|
|
|
Structure of valency shells
|
2,8,8,2
(electrons orbiting neutron) |
|
|
Group 1
|
Alkali metals
|
|
|
Group 2
|
Alkali Earth Metals
|
|
|
Group 7
|
Halogens
|
|
|
Group 8
|
Nobel gases - do not react
|
|
|
Properties of Metals
|
conduct heat + electricity, ductile, malleable, lustrous, usually solid
|
|
|
Properties of Non-Metals
|
don't conduct heat + electricity, aren't ductile, malleable or lustrous, usually not solid
|
|
|
Ductile
|
stretch to wire
|
|
|
Malleable
|
bendy
|
|
|
Lustrous
|
shiny
|
|
|
Acid + Metal ->
|
Salt + Hydrogen Gas
|
|
|
Acid + Carbonate ->
|
Water + Carbon Dioxide + Salt
|
|
|
Acid + Base ->
|
Salt + Water
|
|
|
Malleable
|
bendy
|
|
|
Lustrous
|
shiny
|
|
|
Acid + Metal ->
|
Salt + Hydrogen Gas
|
|
|
Acid + Carbonate ->
|
Water + Carbon Dioxide + Salt
|
|
|
Acid + Base ->
|
Salt + Water
|
|