Structure of Matter

a negatively charged ion formed by gaining electrons.

the smallest unit of an element that retains its chemical properties.

a scientific representation of the structure of an atom.

the number of protons in an atom.

a positively charged ion formed by losing electrons.

the process by which matter changes between solid, liquid, and gas

the movement of particles from high concentration to low concentration

having equal numbers of positive and negative charges.

a negatively charged particle found in the electron cloud.

the region around the nucleus where electrons are most likely to be found.