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AHSSCH3U-02-Terms1

QuestionAnswer
Physical Property any property of a substance that can be observed without a change in the substance.
Chemical Property any property of a substance that is observed during a chemical change.
qualitative comparison based on qualities that determine the chemical constituents of the substance or mixture.
quantitative determines the amounts and proportions of the chemical constituents of a substance or mixture.
Physical Change any change in matter where no new substance is formed.
Chemical Change Any change in matter in which at least one new stubstance is formed.
Pure Substance Cannot be seperated physically, and is made of only one type of matter.
Mixture A substance that is made up of more than one type of matter, and can be physically seperated.
Element Pure substance that cannot be further broken down. Contains a single type of atom.
Compound Contrains two or more different types of atoms and can be further broken down into their contituent elements.
What is another name for a mechanical mixture heterogeneous mixture
What is another name for a solution homogeneous mixture
Mechanical Mixture A mixture that contrains particles that are not uniformly distributed, and are visually distinguishable.
Solution A mixutre that contains particles that are uniformly distributed, and are visually distinguishable
Atom is the smallest form of matter.
Nucleus The central control organelle of a cell.
atomic number The number of protons in the nucleus of an atom.
mass number the number of protons and neutrons in the nucleus of an atom.
proton positively charged particle in the nucleus
neutron neutral particles in the nucleus
electron negatively charged particles, orbating outside of the nucleus of the atom.
isotopes atoms of the same element with the same number of protons but a different number of neutrons.
metal a substance with a shiny appearance, good conductability of electricity and heat. Malleable and Ductile.
malleable capable of being beaten out bent or shaped.
ductile capable of being stripped to wires.
conductivity the ability to transmit light, electricity, heat or sound.
non-metal a substance that is not a good conductor of electricity or heat and is neither malleable or ductile.
Ion An atom or group of atoms that carries and electric charge.
chemical Formula A formula that shows the number and kinds of atoms in a molecule.
Lewis Structure electron-dot diagrams, that show the bonding between atoms of a molecule, and the lone pairs of electrons.
Created by: razzia9
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