Ions
people
Parts of the atom
Waves
element things
200

How many protons, electrons, & Neutrons are in S-2

16, 18, -2

200

1803 propeosed an atomic theory that all matter is made of tiny indivisible particles called atoms.

What is Dalton

200

Frequency is measured in

What is Hertz

200

the distance between one point of a wave and the same point on the next wave.

What is Wavelength

200
Where is the mass of an atom located

What is nucleus

300

How many protons, neutrons, & electrons are in K+1

19, 18, +1

300

In 400 BC suggested an "indivisible" piece of matter called atomos.

What is Democritus

300

Electron

What is Negatively charged particle

300

the number of waves per unit of time.

What is Frequency.

300

A set type of element

What is substance

400

How many protons, neutrons, & electrons are in Fe +3

26, 23, +3

400

In 1897 experimented with the cathode ray and discovered the electron.

What is JJ. Thompson

400

The place where electrons orbit

What is Electron cloud

400

The top of a wave

crest

400

two or more elements chemily combined

What is compound

500

Ions have a different number of _________________ but the same number of __________ & __________.

Electrons, protons & neutrons

500

In 1911 performed the gold foil experiment and discovered the atom is empty space and has a nucleus

What is Rutherford

500

The volume of an atom is made up of

What is Empty Space

500

Waves often used in heat lamps

What is infrared

500

Two or more elements not chemically combined

What is mixture

600

Isotopes have the same amount of electrons and different number of _________________.

What is neutrons.

600

Created the model we use today, said electrons are in fixed orbitals

What is Bohr

600

A neutral charged particle

What is neutron

600

Waves are utilized by insects to locate nectar.

What is Radar

600

Two or more elements not chemically combined and you can see the different parts.

What is Mixture

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