crystal element
21Element Lad — Superherobox| caption= character name=Element Lad real name=Jan Arrah publisher=DC Comics debut= Adventure Comics # 307 (April 1963) creators= Edmond Hamilton John Forte homeworld= Trom species= alliances=Legion of Super Heroes aliases=Mystery… …
22piezoelectric element — pjezoelektrinis elementas statusas T sritis fizika atitikmenys: angl. piezoelectric crystal element; piezoelectric element vok. piezoelektrisches Element, n rus. пьезоэлемент, m pranc. élément piézo électrique, m …
23piezoelektrisches Element — pjezoelektrinis elementas statusas T sritis fizika atitikmenys: angl. piezoelectric crystal element; piezoelectric element vok. piezoelektrisches Element, n rus. пьезоэлемент, m pranc. élément piézo électrique, m …
24rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 …
25Chemical element — The periodic table of the chemical elements A chemical element is a pure chemical substance consisting of one type of atom distinguished by its atomic number, which is the number of protons in its nucleus.[1] Familiar examples of …
26actinide element — ▪ chemical element group Introduction any of a series of 15 consecutive chemical elements in the periodic table from actinium to lawrencium (atomic numbers 89–103). As a group they are significant largely because of their radioactivity.… …
27transition element — Chem. any element in any of the series of elements with atomic numbers 21 29, 39 47, 57 79, and 89 107, that in a given inner orbital has less than a full quota of electrons. Also called transition metal. [1920 25] * * * Any chemical element with …
28Mercury (element) — gold ← mercury → thallium Cd ↑ Hg ↓ Cn …
29chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… …
30Group 6 element — Group → 6 ↓ Period 4 24 Cr 5 …
