Chapter 2
What do we call everything that takes up mass and volume?
Matter
What is the symbol used to represent seconds on a measurement?
s
What is the neutral part of the atom that is located in the nucleus?
Neutron
What does the dot represent in a lewis dot structure?
An electron.
What is an endothermic reaction?
A reaction that takes in energy.
Density, Color, and Texture are examples of what kind of properties?
Physical
A consistent measurement would represent high what?
High Precision
Is a Cation positive or negative?
Positive
Which type of bond is formed between two ions?
Ionic bonds
What are the results of a reaction called?
The product
Cooking an egg is an example of what kind of change?
Chemical
In what century was the metric system created?
18th century (1700)
What does the atomic number represent?
The number of protons in an atom.
Which type of bond shares the electrons?
Covalent bonds
What is the oxidation number of any pure element?
0
List three forms of energy.
Thermal, Radiant, Light, Chemical, Nuclear, Electrical, Gravitational, and Mechanical
How many base units do we have in our standard system?
7 Time, Length, Mass, Electrical current, Thermodynamic Temperatures, Amount of substance, Luminous Intensity
What part of the atom are Quantium numbers describing?
Electrons
What type of bond is formed with an electron sea?
Metallic bond
What type of reaction has two substances combining?
Synthesis
What is an even dispersal of energy called?
Entropy
What is the base unit for thermodynamic temperature?
Kelvin
Name 3 of the five atomic models covered in class.
Solid Sphere, Plum Pudding, Nuclear, Planetary, Electron Cloud
What bonds lack density/hardness, low melting points, and are poor conductors
Covalent bonds
What does the name of the anion in an ionic compound end with?
-ide