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sls science 9 chp 1
Question | Answer |
---|---|
Atom | The basic unit of a chemical element |
Boiing point | The temperature at which a liquid boils and turns to vapor |
Conductivity | The degree to which a specified material conducts electricity |
Density | The amount of mass in a certain volume |
Electron | A stable subatomic particle with a charge of negative electricity |
Element | A part or aspect of something, esp. one that is essential or characteristic. |
Hazard Symbol | Hazard symbols are recognizable symbols designed to warn about hazardous materials or locations |
Mass | A coherent, typically 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 | |
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 three traditional states of matter are solids (fixed shape and volume) and liquids (fixed volume and shaped by the container) and gases (filling the container)) |
Subatomic Particle | a body having finite mass and internal structure but negligible dimensions. |
volume | the amount of space occupied by a three-dimensional object or region of space, expressed in cubic units |
WHIMIS | The Workplace Hazardous Materials Information System |