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All of the elements placed to the left of the staircase on the periodic table are called ________. (in blue)
protons & electrons
92
metalloids
periods
metals
protons & neutrons
nonmetals
groups or families
On the periodic table, this shows how many energy shells or levels there are in the atoms.
protons & electrons
92
metalloids
periods
metals
protons & neutrons
nonmetals
groups or families
All of the elements located on the staircase on the periodic table are called ________. (in red)
protons & electrons
92
metalloids
periods
metals
protons & neutrons
nonmetals
groups or families
The atomic number tells the number of __________ & ____________.
protons & electrons
92
metalloids
periods
metals
protons & neutrons
nonmetals
groups or families
All of the elements placed to the right of the staircase on the periodic table are called ________. (in yellow)
protons & electrons
92
metalloids
periods
metals
protons & neutrons
nonmetals
groups or families
On the periodic table, this shows how many electrons are in the outside energy shell.
protons & electrons
92
metalloids
periods
metals
protons & neutrons
nonmetals
groups or families
The atomic mass tells the number of ____________ & _______________.
protons & electrons
92
metalloids
periods
metals
protons & neutrons
nonmetals
groups or families
How many elements found in nature are on the periodic table?
protons & electrons
92
metalloids
periods
metals
protons & neutrons
nonmetals
groups or families
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