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