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WorksheetsThe Atom & Periodic Table
Total questions: 24
Worksheet time: 24mins
A substance that consists of one type of atom is called an ______
element
subatomic particle
electron
matter
The positively charged subatomic particle contained in the nucleus of an atom
proton
neutron
electron
matter
A negatively charged subatomic particle that orbits the nucleus of an atom
proton
neutron
electron
matter
A row on the Periodic Table of Elements
family
period
row
isotope
A grouping of elements based on similar properties, arranged by columns in the periodic table; also known as a group
family
period
row
isotope
one or two letters that represent the name of an element
element name
element symbol
atomic number
atomic mass
What is the atomic number of Barium, Ba? (enlarge the periodic table)
20
38
56
88
How many protons are in a sodium atom, Na? (tap to enlarge the periodic table)
Sodium has 1 proton.
Sodium has 3 protons.
Sodium has 11 protons
If an atom has 10 electrons, how many protons does it have?
0
1
10
5
The blue elements are called
metals
nonmetals
metalloids
noble gases
Which group of the periodic table is composed of inert (not reactive) gases with 8 valence electrons?
alkali metals
alkaline earth metals
halogens
noble gases
The neutron is located in the (a) of an atom.
