Science - Chemistry Term 2
Explore the World of Chemistry: Term 2 Quiz
Test your knowledge of fundamental chemistry concepts with our engaging quiz designed for students keen to learn and assess their understanding. This quiz covers a range of topics including atomic structure, chemical reactions, acids, and radioactivity.
In this quiz, you will:
- Answer 18 carefully crafted questions
- Select multiple choices and checkboxes
- Learn while having fun!
What is matter?
Anything that takes up space
Anything that has space
Both
Who proposed the 'plum pudding' model?
J.J Thompson
John Dolton
Niels Bohr
Earnest Rutherford
Which of the following statements about atoms is false
An atom can either have a positive or negative charge
The electrons orbit the nucleus
The protons & neutrons are found in the nucleus
Atoms make up elements
What is an atomic number?
The number of protons in an atom
The abbreviation for the element
Number of protons + neutrons
The number of neutrons in an atom
What is the atomic mass of this element?
11
22.99
Sodium
What group an element is in, shows...
The number of electron shells
The number of electrons in the outer shell
How many protons it has
How many neutrons it has
What is an isotope?
Atoms that have an unstable amount of neutrons and protons
Atoms that have the same number of protons but different numbers of neutrons
Atoms that have a full outer electron shells. They don’t need to react with other elements because they are stable.
What is radioactivity?
A photon of penetrating electromagnetic radiation
High-energy electrons, carrying a negative charge
The spontaneous break down of the nucleus of an atom resulting in the admission of excess particles
Ionizing radiation consisting of a stream of alpha particles
Non-ionising radiation has high energy electromagnetic waves
True
False
What is nuclear fission
The breaking apart of one or more atoms
The merging of two or more atoms
Select all of the following that are correct statements about nuclear fusion
Needs around 100 million degrees
Needs around 1 million degrees
Produces more radioactive waste then nuclear fission
This process releases huge amounts of energy
What is the definition of dilute?
Not much solute dissolved in a solution
A lot of solute dissolved in a solution
Select all of the following that are features of an acid
Sour taste
Bitter taste
PH greater than 7
Corrosive
Contains hydrogen
PH less than 7
Contains hydroxide
What 'pH' stand for
Part of hydrogen
Part of hydroxide
Power of hydrogen
Potassium and hydrogen
Jemma and Laura are scientist studying acids with carbonate chemical reactions. They did an experiment mixing calcium carbonate with hydrochloric acid and then both wrote chemical equations for the reaction. However they had differant equations. Laura said that the equation was: Calcium carbonate + hydrochloric acid → calcium carbonate + water + carbon dioxide. However Jemma said the equation was: Calcium carbonate + hydrochloric acid→ calcium chloride + hydrogen. Who's equation was correct?
Laura
Jemma
Queen Amelie Bacon is committed to protecting her kingdom. However, all of her subjects are addicted to technology and the internet meaning there is a large production of coal causing lots of pollution. According to Queen Amelie's scientists the large amounts of pollution caused acid rain but Amelie didn't know what this was. Can you explain to Queen Amelie how acid rain is formed?
Suphur dioxide reacts with oxygen to form Suphur Dioxide; this dissolves in rain water to form sufuric acid (acid rain)
Sulphur dioxide also reacts with oxygen to form Sulphur Trioxide; this dissolves in rainwater to form sulphuric acid (Acid Rain)
Liv Chalk was studying the half-life of the isotope, radon-222. She only had 130 atoms. She put the atoms away for around 4 days and when she returned there were already 65 decayed. She predicted that there would be 32.5 atoms left after its third half-life. Is this true or not?
Yes
No
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