WorksheetsUnit 01: Investigating Atoms and the Periodic Table
Total questions: 10
Worksheet time: 50mins
Smallest particle of an element that maintains the properties of that element
Element
Atom
Proton
Neutron
Average mass number of all atoms of an element (from particles in the nucleus)
Atomic Mass
Atomic Number
Group
Period
The number of protons in the nucleus of an atom; used to determine an element's position in the Periodic Table
Groups
Periods
Atomic Mass
Atomic Number
A characteristic of a substance that describes how it combines with other substances to form new ones
Physical Properties
Chemical Properties
Chemical Change
Physical Change
A property of a subatomic particle; postive (protons); negative (electrons); or neutral (neutrons)
Physical Property
Periods
Groups
Electrical Charge
A negatively charged particle in the electron cloud surrounding the atomic nucleus
Electron
Proton
Neutron
Nucleus
Tendency of a substance to undergo chemical changes in a system
Reactivity
Subatomic particle
Electrical Charge
Atom
a particle smaller than an atom, such as a proton, neutron, or electron
Neutron
Proton
Electron
Subatomic particle
A conceptual model in which the elements are organized according to their properties; often displayed as a chart
Periods
Periodic Table
Groups
Elements
Total number of protons and neutrons in a specific atom
Atomic Number
Mass Number
Valence electron
Electrical Charge
