Science
Elements are arranged by increasing atomic number, in 7 rows and 18 columns
What is the Periodic Table
An atom/ molecule with a net electric charge due to the loss or gain of 1 or more electrons
What is an Ion
Created by Gilbert Lewis, these show an atom's valence electrons and the bonding between atoms
What are Lewis Structures
The movement of a molecule circling around a cental atom, this occurs in solids
What is rotational motion
The process by which gasses travel far distances when released from a container.
What is diffusion
This nunber is equal to the number of protons in an element
What is atomic number
These elements do NOT bond with other atoms
What are Noble gasses
This compound contains at least two different elements that are chemically combined in fixed ratios
what are chemical compounds
The motion of 2 atoms when the bonds between them stretch and bend, in a back and forth motion
what is vibrational motion
True or false;
Kinetic energy is energy due to temperature
False; Kinetic energy is the energy of motion
These have more or fewer neutrons, have a different atomic mass, and can be unstable and radioactive
What are Isotopes
The bond that forms when a shared pair of electrons are not shared equally is this
What is Polar covalent bond
this is the attraction between positive and negative charges
what is electrostatic force
The movement of bodied from one point to another in a strait line, this occurs in liquids
What is transitional motion
True or False;
Boyles law is written PV=C
True
P (the pressure of a gas) times V (volume of the container) = C (an arbitrary constant)
These are used to determine the mass of a single atom
What are mass spectrometers
This is a polar molecule where the centers of charge are seperated
What is a dipole
When two bonded atoms are identical, their electrons are symmetrically distributed
What are Polar molecules
The process by which an atom transforms into another type of atom due to a nuclear reaction
What is transmutation
This is the measure of the thermal energy of a system, and can be measured in Fahrenheit or Celsius
What is temerature
This is calculated using the relative abundance of isotopes in a naturally occurring element, and indicates the size of an atom.
What is Average atomic Mass
This is the smallest unit of electromagnetic radiation
What is a photon
When molecules have unequal distribution of positive and negative charges they are said to be this
non-polar molecules
Johannes van der Waals developed and equation for these types of gasses
What are nonideal gasses
This is the space occupied completely by an amount of matter.
What is volume