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Chapter 1 part 3
Matter and Measurements
definition | term |
---|---|
a notation for a chemical compound using element symbols and subscripts to show how many atoms of each element are present | Chemical formula |
a malleable element, with a lustrous appearance, that is a good conductor of heat and electricity. | Metal |
an element that is a poor conductor of heat and electricity. | Nonmetal |
an element whose properties are intermediate between those of a metal and a nonmetal. | Mettalloid |
a system of standard units measured in kilograms, meters, cubic meters, kelvins, and seconds. | SI Units |
a measure of the amount of matter in an object | Mass |
a measure of the gravitational force that the earth or other large body exerts on an object | Weight |
the number of meaningful digits used to express a value. | Significant figures |