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Science, Chemical

QuestionAnswer
What is a Molecule? a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
What is a Chemical Bond? is a lasting attraction between atoms that enables the formation of chemical compounds.
What is a Chemical Formula? the type and amount of elements in a atom what give the name of that compound, molecule.
What is a Compound? a thing that is composed of two or more separate elements; a mixture.
What is a Element? each of more than one hundred substances that cannot be chemically inter converted or broken down into simpler substances and are primary constituents of matter.
What is a Chemical Reaction? a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
What is a Reactant? a substance what triggers a chemical reaction.
What is a Product? a substance what was the outcome of a chemical reaction.
What is the Open System? a material system in which mass or energy can be lost to or gained from the environment.
What is the Closed System? can exchange energy (as heat or work) but not matter, with its surroundings.
What is the Law of Conservation of Mass? the principle that in any closed system subjected to no external forces, the mass is constant irrespective of its changes in form; the principle that matter cannot be created or destroyed.
Created by: tpierce965