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Tic-Tac-Toe Crossword

Horizontales
Negatively charged particle
The number of protons contained in the nucleus of the element
The smallest unit of an element that has all the properties of the element
Positive charged particle
Elements that are made by scientist in a lab and do not exist in nature
Particle that has no charge
Anything thta takes up space or voulme
Verticales
A chart that organizes the information about all the known elements according to their properties
Vertical column
Anything that has mass and volume
The smallest unit of a compound that has all the properties of the compound
The number of protons and neutrons in the nucleus of one element
Horizontal row