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The groups of the periodic table are called:
Kr
groups
more protons than less electrons
periods
100
Number of Neutrons = Mass Number - Atomic Number
Dmitri Mendeleev
The atomic size will increase as you move across the period
About how many known elements are in the periodic table?
Kr
groups
more protons than less electrons
periods
100
Number of Neutrons = Mass Number - Atomic Number
Dmitri Mendeleev
The atomic size will increase as you move across the period
The scientist credited with devising the first periodic table similar to the one we use today was:
Kr
groups
more protons than less electrons
periods
100
Number of Neutrons = Mass Number - Atomic Number
Dmitri Mendeleev
The atomic size will increase as you move across the period
Chemical Symbol:
Kr
groups
more protons than less electrons
periods
100
Number of Neutrons = Mass Number - Atomic Number
Dmitri Mendeleev
The atomic size will increase as you move across the period
4. How would you determine the number of neutrons in an atom? Show as a formula!
Kr
groups
more protons than less electrons
periods
100
Number of Neutrons = Mass Number - Atomic Number
Dmitri Mendeleev
The atomic size will increase as you move across the period
The rows of the periodic table are called:
Kr
groups
more protons than less electrons
periods
100
Number of Neutrons = Mass Number - Atomic Number
Dmitri Mendeleev
The atomic size will increase as you move across the period
As you move from top to bottom down the periodic table:
Kr
groups
more protons than less electrons
periods
100
Number of Neutrons = Mass Number - Atomic Number
Dmitri Mendeleev
The atomic size will increase as you move across the period
Atoms must have:
Kr
groups
more protons than less electrons
periods
100
Number of Neutrons = Mass Number - Atomic Number
Dmitri Mendeleev
The atomic size will increase as you move across the period
Check it!