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Science Chap.1 Vocab
Term | Definition |
---|---|
Atom | the smallest particle of a chemical element that can exist |
Boiling Point | The temperature at which a liquid boils and turns into vapour |
Conductivity | How much a material can conduct electrictiy |
Density | The degree of compactness of a substance |
Electron | a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids. |
Element | an essential or characteristic part of something abstract |
Hazard Symbol | substances that cannot be chemically interconverted or broken down into simpler substances |
Mass | a large body of matter with no definite shape |
Melting Point | the temperature at which a given solid will melt. |
Neutron | a subatomic particle of about the same mass as a proton but without an electric charge |
Nucleus | the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass. |
Proton | a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron. |
State | the particular condition that a substance is in at a specific time |
Subatomic Patricle | matter that is within an atom |
Volume | the amount of space that a substance or object occupies |
WHMIS | Workplace Hazardous Materials Information System |