NOUN
- any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
How To Use chemical element In A Sentence
- The quantity in grammes of any other chemical element or ion which is liberated from an electrolyte or body capable of electrochemical decomposition in a second by a current of one ampere is given by what is called the electrochemical equivalent of the ion. The Story of Electricity
- Yet it would seem that such a proposition must be held by a materialist, or by what can be implied by the term "monist," used in its narrowest and most unphilosophic sense -- a sense which would be better expressed by the term materialistic-monist, with a limitation of the term matter to the terrestrial chemical elements and their combinations, _i. e._, to that form of substance to which the human race has grown accustomed -- a sense which tends to exclude ethereal and other generalisations and unknown possibilities such as would occur to a philosophic monist of the widest kind. Life and Matter A Criticism of Professor Haeckel's 'Riddle of the Universe'
- Actinides - the radioactive chemical elements that span from actinium to lawrencium on the periodic table - have generated a great deal of interest in recent years.
- Actinide: Any of the series of 15 consecutive chemical elements in the periodic table from actinium to lawrencium (atomic numbers 89-103).
- The halogens are a group of chemical elements that includes fluorine, chlorine, bromine, iodine, and astatine.
- Yet this lightest of the chemical elements can embrittle the metals used in vehicle engineering. PhysOrg.com - latest science and technology news stories
- For one, there are only a certain number of chemical elements that can combine to form chemical compounds.
- Actinides - the radioactive chemical elements that span from actinium to lawrencium on the periodic table - have generated a great deal of interest in recent years.
- The halogens are a group of chemical elements that includes fluorine, chlorine, bromine, iodine, and astatine.
- By 1902 Rutherford and his colleague Frederick Soddy were proposing that a different chemical element is formed whenever a radioactive element decays, a process known as transmutation.