Font size
Worksheets5th Year Chemistry Quiz
Total questions: 29
Worksheet time: 15mins
Charles' Law states that, at constant pressure, volume is directly proportional to...
Temperature (Celsius)
Molarity
Mass
Temperature (Kelvin)
When using the pV=nRT equation, it is important that the unit of pressure used is...
Kilopascals
Standard Atmosphere
Pascals
Newtons
Relative atomic mass is the average mass of an element's atoms compared to 1/12 the mass of the C-12 atom
True
False
A mole..
Contains 6x1023 atoms
has the symbol 'mol'
Occupies 22.4L @ STP
All answers given are correct
The structural formula of a compound shows the arrangement of the atoms within a molecule of the compound
True
False
An example of an oxidising agent is...
Hydrogen
Sodium
Potassium Permangenate
Sodium Thiosulphate
What us the oxidation number of Oxygen in Hydrogen Peroxide (H2O2)
+1
-1
+ 2
-2
In NaCl, the sum of the oxidation numbers is...
+1
0
-1
+2
Oxidation is the (a) of electrons
Which type of radiation does not consist of particles?
Alpha radiation
Beta Radiation
Gamma Radiation
None of these
Beta particles...
have no mass
are negative in charge
is not affected by an electrical charge
are stopped by a lead sheet
Cathode rays are streams of ________ charged particles called __________
(a)
The (a) of an atom is one which the electrons occupy the lowest available energy level.
What colour is methyl orange in an acidic solution
Red
Orange
Colourless
Pink
Sulphuric Acid is
Monobasic
Dibasic
Tribasic
Tetrabasic
The only difference between P orbitals is their orientation in space
True
False
Electrons fill the orbital with the lowest energy first, according to...
the Pauli exclusion theory
the Aufbau Principle
Hunds Rule
the Heisenberg uncertainty theory
Which bond-shape has 2 lone pairs?
Trianglar Planar
V Shaped
Tetrahedral
Pyramidal
In a polar covalent bond, the electrons are...
shared equally between atoms
shared unequally between atoms
taken by one atom
(a) is the name given to the negatively charged ion
Atomic number refers to...
(a) discovered the neutron?
Atomic radius is half the distance between the nuclei of two atoms of the same element joined together by a (a)
The minimum energy needed to remove the most loosely bound electrons from 1 mole of neutral gaseous atoms is (a)
There is additional screening effect going down a group
True
False
Which Irish scientist defined an element as a substance that cannot be simplified further chemically?
Robert Boyle
James Chadwick
Albert Einstein
Neils Bohr
Concentration is the amount of solute dissolved in a given amount of a solution
True
False
The volumetric flask is inverted several times when preparing for a titration in order to...
When reading the level of potassium permanganate in a burette, the volume is taken from the (a) of the meniscus
