Atoms and Atomic Structure - Word Search Puzzle
Directions:
1. Find the words that are defined in the table below.
2. Find the words in the puzzle above.
Description
The smallest unit of an element
A subatomic particle that has a positive charge.
A subatomic particle that has no charge.
A subatomic particle that has a negative charge.
An atom that has become charged by gaining or losing electrons.
Atom that has the same number of protons, but different numbers of neutrons.
The numbers of protons in the nucleus of an atom.
The total number of protons and neutrons in the nucleus of an atom.
The part of the atom contains protons and neutrons.
An area around the nucleus where electrons are likely to be found.
Greek philosopher who invented the concept of the atom.
Scientist who discovered the electron.
Scientist who discovered the nucleus of an atom.
Scientist who discovered electron energy levels.
One particular type of atom, and it cannot be broken down into a simpler
substance.
Word
Atoms and Atomic Structure - Word Search Puzzle - Answer Key
Directions:
1. Find the words that are defined in the table below.
2. Find the words in the puzzle above.
Description
The smallest unit of an element
A subatomic particle that has a positive charge.
A subatomic particle that has no charge.
A subatomic particle that has a negative charge.
An atom that has become charged by gaining or losing electrons.
Atom that has the same number of protons, but different numbers of neutrons.
The numbers of protons in the nucleus of an atom.
The total number of protons and neutrons in the nucleus of an atom.
The part of the atom contains protons and neutrons.
An area around the nucleus where electrons are likely to be found.
Greek philosopher who invented the concept of the atom.
Scientist who discovered the electron.
Scientist who discovered the nucleus of an atom.
Scientist who discovered electron energy levels.
One particular type of atom, and it cannot be broken down into a simpler
substance.
Word
Atom
Proton
Neutron
Electron
Ion
Isotope
Atomic number
Mass number
Nucleus
Orbital
Democritus
Thomson
Rutherford
Bohr
Element