Below are possible answer for general crossword clue: first periodic table element. We have 2 answers for first periodic table element in our database.
- Colourless gas - First periodic table element - Information on old spa resort gas - Spa resort information on light gas - Type of nuclear bomb - A gaseous element, colorless, tasteless, and odorless,
the lightest known substance, being fourteen and a half times lighter
than air (hence its use in filling balloons), and over eleven thousand
times lighter than water. It is very abundant, being an ingredient of
water and of many other substances, especially those of animal or
vegetable origin. It may by produced in many ways, but is chiefly
obtained by the action of acids (as sulphuric) on metals, as zinc,
iron, etc. It is very inflammable, and is an ingredient of coal gas and
water gas. It is standard of chemical equivalents or combining weights,
and also of valence, being the typical monad. Symbol H. Atomic weight
1.
- Chemical element with the symbol B and atomic number 5 - Fifth element on the periodic table - Non-metallic element, B - A nonmetallic element occurring abundantly in borax. It is
reduced with difficulty to the free state, when it can be obtained in
several different forms; viz., as a substance of a deep olive color, in
a semimetallic form, and in colorless quadratic crystals similar to the
diamond in hardness and other properties. It occurs in nature also in
boracite, datolite, tourmaline, and some other minerals. Atomic weight
10.9. Symbol B.
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