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What does the atomic number tell you about an element?
Atomic number
The number of protons + neutrons it has
Electrons
How many valence electrons it has
By looking at the atomic number (number of protons = number of electrons)
vertical
At the top
Identity / number of protons
When looking at a single element on the periodic table, where is the atomic number located?
Atomic number
The number of protons + neutrons it has
Electrons
How many valence electrons it has
By looking at the atomic number (number of protons = number of electrons)
vertical
At the top
Identity / number of protons
Are the group numbers horizontal or vertical?
Atomic number
The number of protons + neutrons it has
Electrons
How many valence electrons it has
By looking at the atomic number (number of protons = number of electrons)
vertical
At the top
Identity / number of protons
What number tells you the identity of an element?
Atomic number
The number of protons + neutrons it has
Electrons
How many valence electrons it has
By looking at the atomic number (number of protons = number of electrons)
vertical
At the top
Identity / number of protons
If you needed to know how many electrons a single stable element had, how would you find that information?
Atomic number
The number of protons + neutrons it has
Electrons
How many valence electrons it has
By looking at the atomic number (number of protons = number of electrons)
vertical
At the top
Identity / number of protons
In a stable element the number of protons is the same as the number of ________
Atomic number
The number of protons + neutrons it has
Electrons
How many valence electrons it has
By looking at the atomic number (number of protons = number of electrons)
vertical
At the top
Identity / number of protons
What does the atomic mass tell you about an element?
Atomic number
The number of protons + neutrons it has
Electrons
How many valence electrons it has
By looking at the atomic number (number of protons = number of electrons)
vertical
At the top
Identity / number of protons
What do the group numbers tell you about an element?
Atomic number
The number of protons + neutrons it has
Electrons
How many valence electrons it has
By looking at the atomic number (number of protons = number of electrons)
vertical
At the top
Identity / number of protons
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