The Best Crossword Puzzle Maker Online
Powered by BrightSprout
Save Status:
or to save your progress. The page will not refresh.
Controls:
SPACEBAR SWITCHES TYPING DIRECTION
Answer Key:
Edit a Copy:
Make Your Own:
Crossword Word Search Worksheet
Rate This Puzzle:
Log in or sign up to rate this puzzle.

8K3

Across
A column in the periodic table
The name of the metal elements in group 1
He used the famous gold foil experiment to improve Thompson's model of the atom
The scientist who started the modern atomic theory & confirmed Democritus' model of the indivisible atom
The number of protons in an element
The name of the elements in group 7
The major classification of the elements between groups 2 and 3
The most reactive element of the halogens.
The negatively charged particle that exists in shells
The number of protons + neutron in an element
A simplified description of a system which helps calculations or predictions
The tiny, dense positively charged region in the center of an atom
Down
A horizontal row in the periodic table
The arrangement of elements in a table based on their atomic number
The least reactive element of the alkali metals.
Particles, like protons, neutrons and electrons that are smaller than the atom
The scientist who discovered negatively charged particles , using cathode ray tube experiment
Smallest piece of an element that can exist
The Greek scientists who first theorised the atom, "atomas" meaning indivisable
A particle in the nucleus with a neutral, or no, charge.
One of about 118 pure substances that cannot be broken down into simpler substances. Made from only one type of atom
A particle in the nucleus with a positive charge
The number of electrons in the outer shell of a group 7 element
The scientist who theorized that electrons orbit the nucleus of the atom in orbits like planets