Acids And Bases And The Ph Scale Flashcards
1
Q
Acids used in the lab
A
- Hydrochloric acid HCl
- Sulphuric acid H2SO4
- Nitric acid HNO3
2
Q
Bases used in the lab
A
- Sodium hydroxide NaOH
- Potassium hydroxide KOH
- Ammonia NH3
3
Q
What does the formulae of the compound tell us:
A
- Name of the compound
- Elements that make up the compound
- Ratio in which elements combine to make up the compound
4
Q
Loose é
A
Cation
5
Q
Gain é
A
Anion
6
Q
Atom (looses/gains electrons)
A
Ion
7
Q
Who invented the periodic table
A
Dimitri Mandelev
8
Q
Postulates/claims by Dalton about elements
A
- Elements consist of indivisible, minute particles called atoms
- All atoms of a given element are identical
- Atoms of different elements have different masses
9
Q
2 important things about compounds
A
- Consists of atoms, they are more than one kind
- Different atoms combined in little clusters, all clusters are the exact same
10
Q
Diatomic molecules
A
- Oxygen
- Nitrogen
- Hydrogen
- Chlorine
- Flourine
- Iodine
- Bromine
11
Q
pH
A
The power of hydrogen
12
Q
Naturally occurring acids
A
- Citris acid (lemon)
- Oxalic acid (tomato)
- Lactic acid (milk)
- Malic acid (apple)
- Tartaric acid (grapes)
13
Q
Bases in our homes
A
- Household detergents
- Cleaning agents
- Soaps
14
Q
Pool acid
A
To lower pH
15
Q
Pool ash
A
To increase pH