WorksheetsAtomic Structure
Total questions: 20
Worksheet time: 10mins
The electron was discovered by this scientist
Rutherford
JJ Thomson
Dalton
Chadwick
The nucleus was discovered by this scientist.
Rutherford
JJ Thomson
Dalton
Chadwick
The neutron was discovered by this scientist.
Rutherford
JJ Thomson
Dalton
Chadwick
What is the charge of protons
Positive
Negative
Neutral
What is the charge of electrons
Positive
Negative
Neutral
What makes up the nucleons?
Protons and electrons
Electrons and neutrons
Protons and neutrons
What is the charge of the nucleus?
Positive
Negative
Neutral
As the number of neutrons in the nucleus of a given atom of an element increases, the atomic number of that element...
Will increase
Will decrease
Will stay the same
What is the total number of neutrons in lithium-7.
3
7
4
3.94
Taking the atomic number from the mass number will determine this subatomic particle.
Proton
Neutron
Electron
Nucleon
The atomic number is always equal to the number of
Protons
Neutrons
Electrons
Nucleons
A Cation has a _____________ charge
Positive
Negative
Neutral
An anion has a _______________ charge.
Positive
Negative
Neutral
Hydrogen is a
Metal
Non-metal
How many electrons are in K+
19
20
18
What family does Sodium belong to?
Noble Gases
Alkali metals
Alkaline earth metals
Halogens
Transition metals
Which model determined that electrons are found in the electron cloud?
Bohr Model
Quantum Mechanical model
Plum pudding model
In isotope notation the Z represents__________, the A represents ______________ and the X represents______________.
Symbol, Mass number, atomic number
Atomic number, Mass number, symbol
Mass number, Atomic number, symbol
Atomic number, Symbol, mass number
Group 17 makes up which family
Noble gases
Alkali metals
Alkaline earth metals
Halogens
Transition metals
Indium is a...
Metal
non-metal
