The Atom
The word 'Atom' means...
Indivisible
Atomos
Tiny pockets/Things
Protons have a ________ charge
Positive
Which subatomic particle are you drawing when making a Lewis Dot diagram?
BONUS POINTS IF YOU SAY VALENCE ELECTRONS
What's an ion?
Any charged element or atom
What's an isotope?
An element with the same number of protons but different neutrons / mass
What makes up ALL matter?
Atoms
Elements
Neutrons have a __________ charge
Neutral / no
What is the octet rule?
8 is great!
All shells want to be full (2, 8, 8, 8)
What are the two types of ion?
Cation
Anion
What specifically changes when an element becomes an isotope?
The mass or number of neutrons
Who first theorized the idea of the atom?
Democritus
Electrons have _________ charge
Negative
What causes two elements to react?
Exchange of electrons
If an element donates an electron, does it become more positive or negative?
Positive
What element has 7 protons and a mass of 14?
Nitrogen
What is a molecule?
The same elements bonded together
Where are the protons and neutrons in an atom located?
In the nucleus
7
How does an anion become more negative?
By accepting electrons
Write the isotope notation for Carbon (C) with 8 neutrons
C-8
What is a compound?
Different elements bonded together
What do we call the space electrons can exist in?
The electron cloud
Shells
Orbits
Which subatomic particle determines an element's ability to form bonds?
Valence electrons
What is the charge of Chlorine (Cl)?
-1
(I have 7 valence electrons, just need one more for 8)
Draw the element square for Carbon (C) with a mass of 14.
C614