Chemistry
Define nucleus
Central part of am atom, Healy make up of protons and neutrons
What is atomic mass
Adding protons and electrons together
Define crest
Top of wavelength
Where does fusion occur
In stars
Define energy
Ability to cause change
Define energy levels
Fixed amount of energy, that a system described by mechanics such as molecules, Atoms, neutrons and nucleus
Define trough
Bottom of wavelength
What is most common use for radio waves
Music, phone, tv
Define kinetic
Energy in motion
Define ion
Am atom or molecule with a net electric charge due to the loss of gain of electrons
What is mass number
Total number of protons and electrons in a nucleus
Define fission
To split apart
Use for infrared waves
Night vision
Define gravitational
Energy that is due to gravitational forces between objects
Define isotope
Elements are defined by the number of Peronism I’m the atomic nucleus
What are groups
Columuns of elements are called groups
Define fussion
Process of two necluei combing together forming a new substance
Use for X-ray
Medical uses
Define chemical potential
Energy stored whitin chemical bonds
Define valence electrons
Am electron of an atom located in the outer shell of the atom, that can be transferred or shared
What are periods
Rows of elements are Called periods
Where does fission occur
In stars
What are the three colors on the spectrum
Red, yellow, violet
Define elastic potential
Energy stored by stretching or compressing an object