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Why does Carbon come before Nitrogen on the periodic table?
u
Nitrogen has one more proton than carbon.
Henry Moseley
115
Elements in the rows have show a repeating pattern of properties.
The first letter or two of the chemical name.
They all have one valence electron.
electrons at the same outmost energy level
What do the elements in the 3rd row of the period table all have in common?
u
Nitrogen has one more proton than carbon.
Henry Moseley
115
Elements in the rows have show a repeating pattern of properties.
The first letter or two of the chemical name.
They all have one valence electron.
electrons at the same outmost energy level
What do all of the elements in Group 1 have in common?
u
Nitrogen has one more proton than carbon.
Henry Moseley
115
Elements in the rows have show a repeating pattern of properties.
The first letter or two of the chemical name.
They all have one valence electron.
electrons at the same outmost energy level
How is the chemical symbol for an element determined?
u
Nitrogen has one more proton than carbon.
Henry Moseley
115
Elements in the rows have show a repeating pattern of properties.
The first letter or two of the chemical name.
They all have one valence electron.
electrons at the same outmost energy level
What scientist organized the periodic table that we currently use?
u
Nitrogen has one more proton than carbon.
Henry Moseley
115
Elements in the rows have show a repeating pattern of properties.
The first letter or two of the chemical name.
They all have one valence electron.
electrons at the same outmost energy level
What is the unit for measuring the atomic mass?
u
Nitrogen has one more proton than carbon.
Henry Moseley
115
Elements in the rows have show a repeating pattern of properties.
The first letter or two of the chemical name.
They all have one valence electron.
electrons at the same outmost energy level
Why is it called the
u
Nitrogen has one more proton than carbon.
Henry Moseley
115
Elements in the rows have show a repeating pattern of properties.
The first letter or two of the chemical name.
They all have one valence electron.
electrons at the same outmost energy level
How many elements are listed on the most current periodic table?
u
Nitrogen has one more proton than carbon.
Henry Moseley
115
Elements in the rows have show a repeating pattern of properties.
The first letter or two of the chemical name.
They all have one valence electron.
electrons at the same outmost energy level
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