10 questions🇬🇧English
⚛️ Atomic Structure & Isotopes – GCSE
Chemistry · GCSE — subatomic particles, electron shells, isotopes and how the model of the atom developed
Make it your own private quiz and change anything you like
Questions
What is the relative charge of a neutron?
−1
+2
+1
0
20s
Which subatomic particle has a relative mass of 1 and a relative charge of +1?
Proton
Neutron
Nucleus
Electron
20s
What does the atomic number of an element tell you?
The number of protons in the nucleus
The number of electron shells
The number of neutrons in the nucleus
The total number of protons and neutrons
20s
An atom has atomic number 11 and mass number 23. How many neutrons does it have?
23
34
12
11
30s
Magnesium has atomic number 12. What is the electronic configuration of a magnesium atom?
2,10
2,2,8
2,8,2
8,2,2
30s
Isotopes of the same element have different numbers of which particle?
Electrons
Protons and neutrons
Protons
Neutrons
20s
Which scientist discovered the electron and proposed the plum pudding model of the atom?
John Dalton
J. J. Thomson
Niels Bohr
Ernest Rutherford
20s
In Rutherford's gold foil experiment, a few alpha particles bounced back. What did this show?
The atom is a solid ball of positive charge
Mass and positive charge are in a tiny nucleus
Electrons are found in fixed energy shells
Atoms contain neutral particles called neutrons
30s
Chlorine is 75% chlorine-35 and 25% chlorine-37. What is its relative atomic mass?
35.5
35.0
36.5
36.0
60s
Which scientist provided the experimental evidence for neutrons in the nucleus in 1932?
John Dalton
Niels Bohr
James Chadwick
J. J. Thomson
30s