Atom Anatomy
This part of an atom has a positive charge.
proton
The rows on the Periodic Table are called this.
periods
The three phases or states of matter are.
Solid, liquid, gas
Hydrogen has this many valence electrons.
1
H2O has this many atoms.
3
The part of the atom that has no charge (neutral).
neutron
The columns on the Periodic Table are called this.
groups
When a solid changes to a liquid.
melting
Neon has this many valence electrons.
0 or 8
C6H12O6 has this many atoms.
24
Protons and neutrons are found in this center part of the atom.
nucleus
The small number above (and sometimes to the upper left) is called this.
atomic number
When a liquid changes into a gas.
evaporation
Calcium has this many valence electrons.
2
3C2H3N5 has this many atoms.
30
These negative parts of the atom are found in levels orbiting around the center.
electrons
The number at the bottom of the square below the letter is.
atomic mass
When a liquid changes into a solid.
freezing or solidifying
Titanium has this many valence electrons.
4
S4H5(F2Ti3)2 would have this many atoms.
19
This many electrons can fit in the first shell.
2
The letter (or letters) that is always a capital first and sometimes has a lower case letter after.
chemical symbol or elemental symbol
When a gas changes into a liquid.
condensation
Bromine has this many valence electrons.
17
3K2(Mg3Na2)4 would have this many atoms.
66
The sixth shell can hold this many electrons when full.
32
You find the number of neutrons in an atom by doing this.
atomic mass - atomic number
When a solid changes directly into a gas.
sublimation
The group of elements that have full outer shells is called this.
Noble Gases
2CH4O3(Na4P)2 would have this many atoms.
36