Chemistry

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Alpha Decay

the emission of an alpha particle from the nucleus

Alpha Particle

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Anion

Atom

Atomic number

Atomic Weight

Becqueral (person)

Discovered radioactivity (observing a piece of Uranium on a exposed piece of film, covered in black paper)

Beta Decay

The emission of an electron from a nucleus

Beta Particle

Cation

chemical change

Chemical reaction

Covalent bond

Curie (person)

Discovered the element Radium

Daughter Element

New element formed during transmutation

Electron

Outside of the nucleus, has a negative charge.

Einstein (person)

Made the equation E=MC2 (the equation compares energy with mass)

Energy Level

Formula

Fission Reaction

Splitting of an atomic nucleus, which releases energy

Gamma Ray

Half - life

Amount of time for one half of a radioactive sample to change its form, every isotope have their own half life

Hiroshima

Ion

Ionic Bond

Isotope

Forms of the same element with different mass number

Lewis Structure

Manhattan project

The US to ever build an atomic bomb

Mass number

Mole

Molecule

Nagasaki

Second city destroyed by an atomic bomb

Nucleus

Neutron

in the nucleus has a neutral charge.

Noble Gas

Group 18 also known, Helium, Argon, Xenon, Neon, Oganesson, Krypton, Radon

Octect

Proton

In the nucleus has a positive charge

Radiation

Radioactive

Symbol

Trinity Test

First atomic bomb explosion

Triple Covalent bond

Valence Electrons