Worksheetswjadusujus
Total questions: 20
Worksheet time: 14mins
What does a represent?
Proton
Neutron
Electron
What does b represent?
Proton
Neutron
Electron
What does c represent?
Proton
Neutron
Electron
What is the atomic mass of this element?
20
60
40
41
What is the symbol of this element?
Calcium
P
Ca
C
protons
negative charge, nucleus
positive charge, shells
positive charge , nucleus
neutral charge, nucleus
neutrons
no charge, shells
positive charge, nucleus
neutral, no charge, nucleus
negative charge, shells
electrons
no charge, nucleus
positive charge, nucleus
negative charge, shells
negative charge, nucleus
A molecule is
a singular particle of a particular element
another name for an element
2 or more atoms that are combined
A pure substance that is a compound is made out of
particles of more than one type of atom
particles of the same type of atom
a mixture of two or more substances that can be physically separated
What is the number of protons that the element in this image contain?
14
7
15
18
True or False? Neutrons have a negative charge
True
False
What is the atomic number of this element?
20
60
40
41
