Heat & Combustion
What is kinetic energy?
Kinetic energy is the energy of motion, when an object moves.
Are cations metal or nonmetal
Metal
Where are the noble gases on the periodic table?
On the last column to the left
Whats the difference between ionic and covalent compounds?
ionic compounds are a nonmetal and metal, & covalent compounds are two nonmetals.
what is a chemical name?
The name of a chemical compound that shows the names of each of its elements or subcompounds
What is heat flow?
The movement of heat from the Earths core to the surface.
What's a chemical formula?
Shows element symbol, & the number of each element
What is the ground state and excited state of an electron?
Ground state: low energy level
Excited state: high energy level
Whats the octet rule?
The tendency of atoms to prefer to have 8 electrons in the valence shell.
what is the chemical formula of chlorine?
Cl2
How does heat relate to combustion?
The amount of heat liberated when a given amount of the substance undergoes combustion.
What are atomic orbitals?
The location of an electron in an atom.
what is the atomic number of bismuth?
83
Whats a lone pair of electrons?
A pair of valence electrons that isn't shared with another atom
Write the names for MgCl2 and LiBr?
Magnesium Chloride and Lithium Bromide
What is green power?
Renewable energy and represents renewable energy resources that provide the highest environmental benefit.
What are poly atomic ions?
A group of atoms that covalently bond together
what are the element symbols for Alkali metals?
What does it mean when a covalent bond is non-polar?
Chemical bond formed when electrons are shared equally between two atoms
What is the difference between sulfate and sulfite?
Sulfate has one more oxygen atom than sulfite
What is thermo-chemistry?
The study of heat exchanged between systems and their surroundings.
Why do atoms emit a specific wavelength of light?
They absorb a certain amount of energy making it have a higher energy level then the atom emits a specific amount of energy as light & goes back to lower energy.
what are transition metals?
any of various metallic elements (such as chromium, iron, and nickel) that have valence electrons in two shells instead of only one
What is solubility?
Salts containing group 1 elements are soluble
What does a roman numeral mean after the name of a cation?
It shows the ionic charge of the cation