UCF Chemistry Placement Test Study Questions and Answers
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Course
Chemistry Placement
Institution
Chemistry Placement
UCF Chemistry Placement Test Study Questions and Answers Atom ANSWER the smallest particle of an element that retains its identity in a chemical reaction Neutron ANSWER A small particle in the nucleus of the atom, with no electrical charge
Proton ANSWER A subatomic particle that has a positive ch...
UCF Chemistry Placement Test Study Questions and Answers
Atom ANSWER the smallest particle of an element that retains its identity in a chemical reaction
Matter ANSWER Anything that has mass and takes up space
Solid ANSWER A form of matter that has a definite shape and volume; strong ionic bonds
liquid ANSWER A state of matter that has no definite shape but has a definite volume.
Gas ANSWER A state of matter with no definite shape or volume
Mixture ANSWER A combination of two or more substances that are not chemically combined
heterogeneous mixture ANSWER A mixture in which different materials can be distinguished easily
homogeneous mixture ANSWER A mixture in which substances are evenly distributed throughout the mixture
Compound ANSWER A substance made up of atoms of two or more different elements joined by chemical bonds. Can be separated by chemical means Molecule ANSWER A group of atoms bonded together
Element ANSWER A pure substance made of only one kind of atom
ionic bond ANSWER Formed when one or more electrons are transferred from one atom to another
Proton ANSWER positively charged particle
Neutron ANSWER A subatomic particle that has no charge and that is found in the nucleus of an atom
Electron ANSWER A subatomic particle that has a negative charge
covalent bond ANSWER A chemical bond that involves sharing a pair of electrons between atoms in a molecule
hydrogen bond ANSWER Attraction between a slightly positive hydrogen atom and a slightly negative atom.
metallic bond ANSWER a bond formed by the attraction between positively charged metal ions and the electrons around them
One gallon ANSWER 16 cups
1 cup ANSWER 237 milliliters
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