Vocab
Changes
Atomic Structure
PH
Periodic Table
100
Basic building block of matter
Atom
100
Chemical or Physical: Baking a cake.
Chemical
100
A charged particle
Ion
100
Another name for "base"
Alkaline
100
What is the top number called?
Atomic Number
200
Substances consisting of only one type of atom
Element
200
Chemical or Physical: Changing state
Physical Change
200
Positively charged particle, more protons
Cation
200
A product with a PH of 8.9 would be
Basic or Alkaline
200
What is the capital letter or letters in the center called?
Atomic Symbol
300
When two or more atoms of the same type are bonded
Molecule
300
What type of change occurs when ice melts to water
What is Physical
300
Negatively charged particle, more electrons
Anion
300
A product with a 4.5 PH is considered
Acidic
300
What is the bottom number called? What subatomic particles make up this number?
Atomic Mass, protons+neutrons
400
What term refers to anything that occupies space, physical and chemical properties and exists in gas, liquid or solid form
Matter
400
Curling hair with a curling iron would be considered what type of change
What is Physical
400
Name the 3 subatomic particles.
Proton, Neutron, Electron
400
Pure water with a PH of seven is considered to be
What is Neutral
400
The "atomic number" is also the number of what subatomic particle?
Protons
500
A substance formed by chemically combining two or more atoms of different elements is known as
Compound
500
Burning a log is what type of change?
Chemical
500
Where are the subatomic particles located within the atom?
Proton/neutron are in the nucleus, electrons on orbitals outside of the nucleus
500
What ions are present in acidic substances?
H+
500
The atomic mass is the sum of what two subatomic particles?
Protons and neutrons
600
What does the Law of Conservation of Mass state?
Matter cannot be created or destroyed, only rearranged
600
What is the main difference between chemical/physical changes?
Chemical makes a new substance, physical does not
600
Outermost orbital of an atom
Valence
600
What happens if you mix an acid and a base?
Neutralize
600
How do I find the number of neutrons in any given element? How many neutrons are in Argon?
Subtract the atomic number away from the atomic mass, 22 neutrons