How many protons, electrons, & Neutrons are in S-2
16, 18, -2
1803 propeosed an atomic theory that all matter is made of tiny indivisible particles called atoms.
What is Dalton
Frequency is measured in
What is Hertz
the distance between one point of a wave and the same point on the next wave.
What is Wavelength
What is nucleus
How many protons, neutrons, & electrons are in K+1
19, 18, +1
In 400 BC suggested an "indivisible" piece of matter called atomos.
What is Democritus
Electron
What is Negatively charged particle
the number of waves per unit of time.
What is Frequency.
A set type of element
What is substance
How many protons, neutrons, & electrons are in Fe +3
26, 23, +3
In 1897 experimented with the cathode ray and discovered the electron.
What is JJ. Thompson
The place where electrons orbit
What is Electron cloud
The top of a wave
crest
two or more elements chemily combined
What is compound
Ions have a different number of _________________ but the same number of __________ & __________.
Electrons, protons & neutrons
In 1911 performed the gold foil experiment and discovered the atom is empty space and has a nucleus
What is Rutherford
The volume of an atom is made up of
What is Empty Space
Waves often used in heat lamps
What is infrared
Two or more elements not chemically combined
What is mixture
Isotopes have the same amount of electrons and different number of _________________.
What is neutrons.
Created the model we use today, said electrons are in fixed orbitals
What is Bohr
A neutral charged particle
What is neutron
Waves are utilized by insects to locate nectar.
What is Radar
Two or more elements not chemically combined and you can see the different parts.
What is Mixture