UCF CHEMISTRY PLACEMENT TEST STUDY WITH COMPLETE SOLUTIONS 100% 2023/2024

UCF CHEMISTRY PLACEMENT TEST STUDY
WITH COMPLETE SOLUTIONS 100% 2023/2024
Atom
the smallest particle of an element that retains its identity in a chemical reaction


Matter
Anything that has mass and takes up space


Solid
A form of matter that has a definite shape and volume; strong ionic bonds


liquid
A state of matter that has no definite shape but has a definite volume.


Gas
A state of matter with no definite shape or volume


Mixture
A combination of two or more substances that are not chemically combined


heterogeneous mixture
A mixture in which different materials can be distinguished easily


homogeneous mixture
A mixture in which substances are evenly distributed throughout the mixture


Compound
A substance made up of atoms of two or more different elements joined by chemical bonds. Can be
separated by chemical means


Molecule
A group of atoms bonded together


Element
A pure substance made of only one kind of atom


ionic bond
Formed when one or more electrons are transferred from one atom to another


Proton
positively charged particle


Neutron