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WorksheetsPeriodic table
Total questions: 15
Worksheet time: 5mins
What are the vertical columns on the periodic called?
groups
metals
nonmetals
periods
metalloids
What do the vertical columns on the periodic table tell us?
The number of orbitals
The number of valence electrons (electrons on the outer most shell)
What are the horizontal rows on the periodic table called?
groups
periods
nonmetals
metals
metalloids
What do the horizontal rows on the periodic table tell us?
The number of valence electrons (the electrons on the outer most shell)
The number of energy levels
The positively charged subatomic particle contained in the nucleus of an atom
electron
proton
neutron
matter
How do you calculate the number of neutrons?
Mass - Atomic number = Neutrons
Atomic number = Neutrons
Mass = Atomic number - Neutrons
How many valence electrons does the element have?
4
3
2
1
What does the 6 represent?
element name
atomic number
chemical symbol
atomic mass
What are valence electrons?
electrons located on the first energy level
electrons located on the outer energy level
any of an atom's electrons
electrons not attached to any atom
What group and period does this element belong in?
Any of an atom's electrons
period 1 and group 3
period 3 and group 2
period 3 and group 1
Which group of the periodic table is composed of inert (not reactive) gases with 8 valence electrons?
alkaline earth metals
noble gases
halogens
alkali metals
What is the atomic mass?
28
58.693
Which subatomic particle has a neutral or no charge?
proton
electron
neutron
In this picture, the Electrons are found in which color?
green
red
blue
An atom has an atomic number of 19 and a mass number of 29. How many neutrons are in the atom?
30
10
19
38
