My Crossword Maker Logo
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.

Mid Term

Across
Smallest particle of an element that retains it's identity in a chemical reaction.
Amount of protons helium has
Positively charged
Atomic number is 20
A glowing beam that traveled cathode to the anode
Subatomic particles with no charge.
Number of protons in the nucleus
Properties of metals and nonmetals
Electron has its lowest possible energy
Wave's height from zero to crest
Atoms that have the same number of protons but different number of nuetrons
Down
Good conductors of heat and electric current
Element with atomic mass of 6
weighted average mass of the atoms in a naturally occurring sample of the element.
Total number of protons and neutrons in an atom
Poor conductors of heat and electric currents
Electron Configuration : 1s 2 2s 2 2p 6 3s 2 3p 6 3d 5 4s 1
A quantum mechanical property of electron
Negatively charged subatomic particles
Fixed energies an electron can have