Unit 1 AOS 1
The number on the periodic table that you use to find the number of protons in the nucleus.
Atomic number
What is Avogadro's number
6.02 x 1023
According to Brønsted-Lowry theory, what is an acid defined as?
Proton donor
When the number of moles decreases, pressure _________________________
decreases.
Group or family 17 elements are these.
What are Halogens?
This rule states that a full valence shell is 8 electrons.
octet rule
Which hydrocarbon family has the general formula CnH2n?
Alkenes
What term describes a substance that can act as both an acid and a base?
Amphiprotic
When pressure increases, temperature _______________.
Increases
0.006024 has how many sigfigs?
4
The maximum number of electrons in the p subshell
6
What is the IUPAC name for C2H5OH?
Ethanol
What salt forms when sulfuric acid reacts with magnesium?
MgSO4
Magnesium sulphate
What property of a solution does electrical conductivity measure?
salinity
PbSO4 is a(n) (insoluble/soluble) compound.
insoluble.
Ca2+ has how many electrons?
18
Are thermoplastics generally linear or cross-linked?
linear
What is the formula for calculating pH?
pH = -log10[H3O+]
What term describes the fixed ratio of water molecules in a hydrated salt?
Water of hydration
What's a chemist's favourite type of dog?
Order the intermolecular forces from strongest to weakest.
hydrogen bonding, dipole-dipole, dispersion forces
What functional group characterises alcohols?
hydroxyl
What are the products of a reaction between an acid and a metal carbonate?
Salt, water and carbon dioxide
What type of graph is used to interpret data in colorimetry?
I make bad chemistry jokes because all the good ones...
Argon
A covalent bond is formed by
sharing of electrons
What type of polymerisation forms polyethylene from ethene monomers?
addition polymerisation
Name a metal that would displace copper from a solution: zinc, gold, iron (III) or silver?
zinc
Which process is used to remove dissolved impurities from water by forming solid particles?
precipitation reaction
What is less dense that what it is made of?
What shape is ammonia according to VSEPR
Trigonal pyramidal
What is the IUPAC name for C4H9COOH?
Pentanoic acid
What is the overall redox equation for the reaction between zinc and copper(II) sulfate?
Zn(s) + Cu²⁺(aq) → Zn²⁺(aq) + Cu(s)
What is the primary goal of an acid-base titration in water analysis?
To determine the concentration of an acid or base
I am present in marshes
And also in the stomach of cattle
To stop global warming
I do very little.
What am I?
CH4 (Methane)