Bonding and Structure
A compound which consists of hydrogen and carbon only.
What is a hydrocarbon?
The positive test for carbon dioxide
What is relighting a glowing splint?
These affect the rate of reaction. (at least 3 answers)
What is surface area, concentration, temperature, use of catalyst, pressure in gases?
The approximate percentages of the four most abundant gases in dry air.
What is 78% Nitrogen, 21% Oxygen, 1% Argon and 0.04% Carbon Dioxide? (Answers may vary by 1%)
Atoms that have the same number of protons but a different number of neutrons.
What are isotopes?
True or false: ionic compounds usually can not conduct electricity when solid
What is true?
The positive test for hydrogen.
What is a lighted splint and a squeaky pop?
The catalyst for the Haber process
What is iron?
The product of combustion of hydrogen in air.
The electron configuration of oxygen (which has 16 electrons).
What is 2.8.6?
Give 2 forms of carbon that have giant covalent bonding
What is diamond/graphite/graphene/Bucksministerfullerene?
The positive test for chlorine.
What is the bleaching of damp litmus paper?
This process involves gain of electrons
What is reduction?
The energy store in the bonds of chemical compounds and molecules, denoted by the letter H
What is enthalpy?
These gases are located to the right of the periodic table and are unreactive.
What are noble/inert gases?
A word meaning "the metal can be pulled into thin wires"
What is ductile?
The positive test for ammonia.
What is damp red litmus paper turning blue?
The physical test and chemical used to find pure water. (2 answers)
What is boiling point at 100ºC/melting point at 0ºC
Anhydrous copper sulphate/cobalt chloride?
Complete the sentence:
In electrolysis, non-metals are produced at the ..... and hydrogen gas is produced at the ..........
anode....cathode
The simplest whole number ratio of the different atoms or ions in a compound.
What is empirical formula?
In ionic bonding, it is the force between the two oppositely charged ions.
What is the electrostatic force of attraction?
Turning purple potassium manganate (VII) into a colourless solution, is the test for which gas?
What is sulfur dioxide?
The products of photosynthesis
What is glucose and oxygen?
A substance that conducts electricity in molten state or in solution
What is an electrolyte?
A substance that increases the rate of reactions but isn't used up.
What is a catalyst?