WorksheetsAtoms and the Periodic table
Total questions: 25
Worksheet time: 20mins
What particle in the atom has a positive charge?
proton
neutron
electron
quark
What is the particle in the atom that has no charge?
neutron
proton
electron
alpha particle
The particle in the atom that has a negative charge is called?
electron
proton
neutron
megatron
If you want a material that will not pass electricity, you want a material that is not?
conductive
malleable
reactive
ductile
The number of electrons in the outer energy level is referred to as?
valence electrons
outer electrons
electron cloud
orbital shells
Why do sodium and potassium have similar properties?
They both have a full valence energy level.
They each have only one valence electron.
They both have few protons.
They are both non-metals.
In an electron dot diagram, what do the dots around the symbol represent?
electrons
valence electrons
protons
protons and neutrons
Rows on the periodic table are called...
groups
periods
families
shells
Columns on the periodic table are called...
periods
groups or families
valence
energy levels
The groups on the periodic table correspond to the number of ________ in an atom.
valence electrons
energy levels
protons
neutrons
Which element has 2 valence electrons?
H
Ca
Na
C
Which group has elements with a full valence shell?
Group 1
Group 2
Group 15
Group 18
Which of the following element in period 3 would be classified as a metal?
Boron (B)
Sodium (Na)
Argon (Ar)
Silicon (Si)
