Study Tool Crossword

a particle representing a quantum of light
a source of nuclear energy
a helium nucleus emitted by some radioactive substances
the investigation and measurement of spectra produced when matter interacts with or emits electromagnetic radiation.
a theoretical approach that regards something as interpretable through analysis into distinct
a stable subatomic particle occurring in all atomic nuclei
used to classify something
the positively charged central core of an atom
: consisting of a positively charged nucleus with electrons revolving around it
elements of helium, neon, argon, krypton, xenon, and radon, occupying Group 0
a huge, often sudden, increase or change in something
something abstract, especially one that is essential or characteristic
energy levels of a physical system, especially an atom, molecule, etc., that has higher energy than the lowest energy level.
any of the element’s beryllium, magnesium, calcium, strontium, barium, and radium, occupying Group IIA (2) of the periodic table.
orbit followed by electrons around an atom's nucleus.