Atom Anatomy
Periodic Table
Valence Electrons
Counting Atoms
Misc
100
This part of an atom has a positive charge.
proton
100
The rows on the Periodic Table are called this.
periods
100
Hydrogen has this many valence electrons.
1
100
H2O has this many atoms.
3
100
List the Noble Numbers
2, 10, 18, 36, 54, 86
200
The part of the atom that has no charge (neutral).
neutron
200
The columns on the Periodic Table are called this.
groups
200
Neon has this many valence electrons.
0 or 8
200
C6H12O6 has this many atoms.
24
200
What is #12?
atomic number
300
Protons and neutrons are found in this center part of the atom.
nucleus
300
The small number above (and sometimes to the upper left) is called this.
atomic number
300
Calcium has this many valence electrons.
2
300
3C2H3N5 has this many atoms.
30
300
What is #15?
atomic mass or atomic weight
400
These negative parts of the atom are found in levels orbiting around the center.
electrons
400
The number at the bottom of the square below the letter is.
atomic mass
400
Titanium has this many valence electrons.
4
400
S4H5(F2Ti3)2 would have this many atoms.
19
400
What is #14?
element name
500
This many electrons can fit in the first shell.
2
500
The letter (or letters) that is always a capital first and sometimes has a lower case letter after.
chemical symbol or elemental symbol
500
Bromine has this many valence electrons.
17
500
3K2(Mg3Na2)4 would have this many atoms.
66
500
What is #13?
chemical symbol or element symbol
600
The sixth shell can hold this many electrons when full.
32
600
You find the number of neutrons in an atom by doing this.
atomic mass - atomic number
600
The group of elements that have full outer shells is called this.
Noble Gases
600
2CH4O3(Na4P)2 would have this many atoms.
36
600
How many neutrons does Nitrogen have?
7