Bonds
The weakest type of bond?
Hydrogen Bond
What are the 3 classifications of a substance's pH?
Acid, Base, Neutral
What are the particles in an atom?
Proton, Neutron, Electron
What is an element?
Pure substance made up of only one type of atom
What is it called when the number of neutrons is changed?
Isotopes
Strongest type of bond?
Covalent Bonds
When your pH is less than 7 what is the classification?
Acid
Where are protons and neutrons located in an atom?
Nucleus
What is a compound?
Two or more elements chemically combinded
What are the Subatomic Interactions?
Opposite charges attract
Like charges repel
When an atom gains electrons it becomes more ____ charged.
When an atom loses electrons it becomes more ____ charged.
Negative
Positive
What does reading pH show us?
Proportion of hydrogen ions in a substances
Where are electrons located?
Orbital Cloud
What are the elements that makeup over 98% of all living matter?
Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, Sulfur (CHNOPS)
What are Ions used for?
Used for communication between nervous and muscular system
How are Ionic bonds created?
Atom transfers electrons to another
What do bases have a high concentration of?
Hydroxide Ions
How are elements identified?
The number of protons one atom contains
What is the 2 step process for reading a chemical formula?
1. Count capital letters to determine how many elements there are
2. Read the subscript to determine how many atoms there are of that element
Define Subatomic Summary
The number of protons cannot be changed without changing the identity of an atom
A bond is created when neither atom has a stronger pull on the other electrons. Electrons are evenly dispersed.
Non-Polar Covalent Bond
What is the process called when water breaks apart into charged particles?
Ionization
What is the Octet Rule?
Atoms want 8 electrons in their outer shell
Why is Carbon so important?
1. Can make up to 4 bonds
2. Form bonds and compounds
3. Bond to itself
4. Can make single, double, and triple bonds
What clues hint that a chemical change/reaction has taken place?
1. Formation of gas/bubbles
2. Causes heat, light, odor
3. Color change
4. Solid is formed