A positively charged particle in the nucleus of an atom.
What is a proton?
100
The particles and energy given off by unstable atomic nuclei.
What is radiation?
100
The area in which an electron of a given energy can be found in an atom.
What is an orbital?
100
1s2 2s2 2p3
What is the electron configuration of nitrogen?
100
The weighted average mass of all naturally occurring isotopes of an element.
What is atomic mass?
200
A particle in the nucleus of an atom that has no charge.
What is a neutron?
200
A type of radiation composed of 2 neutrons and 2 protons.
What is Alpha radiation?
200
Is equal to the number of protons, but also tells you the number of electrons in a neutral atom.
What is "atomic number"?
200
The electron configuration of calcium.
What is 1s2 2s2 2p6 3s2 3p6 4s2 ?
200
A graph that shows neutron to proton ratios for stable isotopes of elements 1-83.
What is the Band of Stability?
300
A negatively charged particle located in a "cloud" outside of the nucleus of an atom.
What is an electron?
300
A type of radiation that requires shielding by lead or several inches of concrete.
What is gamma radiation?
300
An orbital shaped like a peanut.
What is a "p" orbital.
300
The noble gas notation (shorthand) for the electron configuration of chlorine.
What is [Ne]3s2 3p5 ?
300
The nuclear process that powers the sun and other stars.
What is nuclear fusion?
400
Tells you the number of protons in an atom.
What is atomic number?
400
When this radiation is emitted from a nucleus, it changes the mass number by 0 and increases the atomic number by 1.
What is beta radiation?
400
An energy sublevel that can contain 10 electrons.
What is a "d" sublevel?
400
[Kr]5s2 4d10 5p2
What is the electron configuration of tin, Sn?
400
The characteristic wavelengths of light given off by an element when energized electrons fall back to their ground state energy levels.
What is atomic emission spectrum?
500
Tells you the number of protons + neutrons in an atom.
What is mass number?
500
A process that splits atomic nuclei into smaller nuclei and releases large amounts of energy. It powers nuclear reactors.
What is nuclear fission?
500
An energy sublevel that has 7 possible orbitals.
What is an "f" orbital
500
The electron configuration of Einsteinium.
What is [Rn]7s2 5f10
500
If isotope A has an abundance of 98% and a mass of 8 amu, and isotope B has a abundance of 2% and a mass of 10 amu, then the average atomic mass will be closest to this mass.