Atoms
Protons and neutrons
What makes up the nucleus?
Mendeleev
Who organised our current Periodic Table?
Compound made up of non-metals
What is a covalent compound?
Squeaky Pop test
How can the test for hydrogen gas be described using just three words?
(NH4)3PO4
What is the chemical formula for ammonium phospate?
2, 8, 8
What is the electronic configuration of argon?
The rows
What are periods in the periodic table?
Ionic bonding
What do you call a bond that occurs between a non-metal and a metal?
Why do we balance chemical equations?
The law of conservation of matter/mass - matter cannot be created or destroyed, only rearranged
Atom
What is the smallest/simplest form of an element called?
Number of protons
What is the atomic number?
Alkali Earth Metals
What is the name of group 2?
Full valence shell
Why do atoms want to bond together?
How do precipitates form?
The main component of vinegar
What is the compound CH3COOH?
1/2000 (aprox)
What is the relative mass of an electron?
Charge of -1
What common ionic charge does Group 7 have?
4 electrons being shared
What is a double bond?
The speed of a reaction
What is the rate of reaction?
Change of state
What is an example of a physical reaction?
Characteristic colour of an ion when excited by heat
What does the result of a flame test show?
W
What is the symbol for Tungsten?
diagrams used to represent sharing of electrons
What are dot and cross diagrams?
Nitrates
What salts/ionic compounds are always soluble?
Lowers activation energy
What does a catalyst do?