Term
|
Definition
| one of the minute indivisible particles of which according to ancient materialism the universe is composed |
|
|
Term
|
Definition
| the smallest particle of a substance that retains all the properties of the substance and is composed of one or more atoms |
|
|
Term
|
Definition
| something formed by a union of elements or parts; especially : a distinct substance formed by chemical union of two or more ingredients in definite proportion by weight |
|
|
Term
|
Definition
| an arrangement of chemical elements based on the periodic law |
|
|
Term
|
Definition
| a theory of the nature of matter: all material substances are composed of minute particles or atoms of a comparatively small number of kinds and all the atoms of the same kind are uniform in size, weight, and other properties |
|
|
Term
|
Definition
| British chemist and physicist, who developed the atomic theory upon which modern physical science is founded |
|
|
Term
|
Definition
| any of the fundamental substances that consist of atoms of only one kind and that singly or in combination constitute all matter |
|
|
Term
|
Definition
| a fluid (as air) that has neither independent shape nor volume but tends to expand indefinitely |
|
|
Term
|
Definition
| a fluid (as water) that has no independent shape but has a definite volume and does not expand indefinitely and that is only slightly compressible |
|
|
Term
|
Definition
| a substance that does not flow perceptibly under moderate stress, has a definite capacity for resisting forces (as compression or tension) which tend to deform it, and under ordinary conditions retains a definite size and shape b : the part of a solution or suspension that when freed from solvent or suspending medium has the qualities of a solid |
|
|
Term
|
Definition
| a chemical formula that gives the total number of atoms of each element in each molecule of a substance |
|
|
Term
|
Definition
| an expanded molecular formula showing the arrangement within the molecule of atoms and of bonds |
|
|
Term
|
Definition
| a chemical bond in which one pair of electrons is shared by two atoms in a molecule especially when the atoms can share more than one pair of electrons |
|
|
