Vocabulary
The central core of an atom is called the ______?
Nucleus
Name the negatively charged particle in an atom.
Electron
What is the bonding between two nonmetals called?
Covalent Bonding
Convert 300 mm to m.
.3 m
Acids sit where on the scale?
0-6.99
Molecule
The mass number consists of which two subatomic particles?
Proton and Neutron
What is the type of bonding between a metal and a nonmetal called?
Ionic Bonding
How many Sig Figs is in 400?
1
Bases sit where on the pH scale?
7.01-14
What is the energy in a system that is available for work called?
Free energy
How many valence electrons does Oxygen contain?
6
Give the correct formula for Magnesium and O when bonding
MgO
Convert 1.23x 10^4 to Standard Notation
12,300
Something that is said to be alkaline is ______?
Basic
Name the type chemical reaction in which energy is released to the environment.
Exergonic reaction.
The atomic number represents?
The number of protons in the nucleus. (Identity of the element).
Covalent bonding is said that the elements _______ __________?
Share electrons
0.00000529 would have how many sig figs?
3
Slippery, and bitter describes ______?
Acids or Bases?
Bases
In a redox reaction, the element that becomes more positive is being?
Reduced or Oxidized.
Oxidized
Compound
What type of graph/picture shows covalent bonding?
Lewis Dot Diagrams
The pH scale is logarithmic. What does this mean in math terms?
A change of 1 on the pH scale reflects a ten-fold change in acidity or alkalinity.
Oranges, Lemons and Limes would be considered?
Acidic