Download Week 1 Grade 8 Thursday

Chemistry - Atomic
Structure
Week 1 Grade 8 Thursday
Atomic Structure
Atomic number = number of protons
Atomic number = number of electrons in a
neutral atom (not an ion)
Atomic weight - atomic number = number of
neutrons EXCEPT:
Isotopes have differening numbers of neutrons,
Hydrogen normally has 0 neutrons.
Building Atoms, Element
by Element
Start with one of the blank atomic
diagrams.
Add the number of protons, and the
number of neutrons.
Add the electrons into positions on the
shells, innermost shell first.
Building Atoms, Element
by Element
Hydrogen
Carbon
1
__p
__n
0
6
__p
__n
6
Helium
Neon
2
__p
__n
2
10
__p
__n
10
Element Yahtzee!
We’ll roll the dice...
Fill out the element whose atomic
number matches the number on the dice
roll.
eMail me the sheet of 6 finished
diagrams.