Elements Compounds Mixtures
Periodic Table
Ions & Ionic Compounds
Solubility & Miscibility
The Water Cycle
100
Is water an element, a compound or a mixture?
Compound
100
How many groups are on the periodic table?
18
100
Define cation
A positive ion
100
The solid that dissolves in a solvent is known as the...
Solute
100
What are three examples of precipitation?
Rain | Sleet | Hail | Snow
200
Give 3 examples of mixtures
Tea | Coffee | Sea Water | Air | Sand
Any appropriate answer
200
How many periods are on the periodic table?
7
200
When an anion is formed, are electrons lost or gained?
Gained
200
The universal solvent is...
Water
200
Which is the largest body of water?
Ocean
300
Define element and provide an example of an element
A pure substance that contains only one type of atom
OR
One of the 118 parts of the periodic table
Hydrogen | Bromine | Gold
300
Name 3 noble gases.
Helium, Neon, Argon, Krypton, Xenon, Radon
300
What is the chemical formula and name for table salt?
Sodium Chloride NaCl
300
What are liquids known as in solutions?
Solvents
300
Acid rain occurs when there is a(n) _________ in the pH level due to pollutants being added to the atmosphere
For a double bonus - Name the 3 pollutants/ gaseous compounds that cause this pH change
Decrease (from pH 7 to 4-5.6)
BONUS: NO2, SO2, CO2
400
Which metal is a liquid at room temperature?
(Name or Symbol)
Mercury (Hg)
400
Elements in the first group of the periodic table _______ to form +1 ions.
give away 1 electron
400
If the sodium ion has a charge of 1+ and the sulfide ion has a charge of 2-, what is the formula of the ionic compound?
Na2S
400
Oil & Water are... (choose the best word, considering their state)
Immiscible
400
What sort of water is contained in aquifers?
Freshwater
500
State 2 differences between covalent and ionic compounds.
Covalent compounds share electrons while Ionic compounds give and take electrons.
Covalent compounds are between non-metals while Ionic compounds occur between metals and non-metals.
500
Which group of atoms have half a full outer shell?
Group 14
500
What is the chemical formula of Aluminium Oxide?
Your numbers need to be in the correct place.
Al2O3
500
What substance makes oil and water soluble?
Bonus 100 points for the 'E-word' that the substance does to the oil?
Soap/Emulsifier
EMULSIFIES (+100)
500
What is the process of plants losing excess water?
Transpiration