Biology crossword puzzle
This printable crossword puzzle on the topic of Elements & Periodic Table has 12 clues. Answers range from 3 to 18 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
Basic unit of matter
Protons and neutrons bound together at the center of the atom
A negatively charged particle with only 1/1840 the mass of a proton
A pure substance that consists entirely of one type of atom
Atoms of the same element that differ in the number of neutrons they contain
A substance formed by the chemical combination of two or more elements in definite proportions
Formed when one or more electrons are transferred from one atom to another
Positively and negatively charged atoms
Moving electrons actually travel about the nuclei of both atoms forming a
The smallest unit of most compounds
A slight attraction between the oppositely charged regions of nearby molecules
The attraction between a hydrogen atom with a partial positive charge and another atom with a partial negative charge
