| slovo | definícia |
atomic number 3
(wn) | atomic number 3
n 1: a soft silver-white univalent element of the alkali metal
group; the lightest metal known; occurs in several minerals
[syn: lithium, Li, atomic number 3] |
| | podobné slovo | definícia |
atomic number 30
(wn) | atomic number 30
n 1: a bluish-white lustrous metallic element; brittle at
ordinary temperatures but malleable when heated; used in a
wide variety of alloys and in galvanizing iron; it occurs
naturally as zinc sulphide in zinc blende [syn: zinc,
Zn, atomic number 30] |
atomic number 31
(wn) | atomic number 31
n 1: a rare silvery (usually trivalent) metallic element;
brittle at low temperatures but liquid above room
temperature; occurs in trace amounts in bauxite and zinc
ores [syn: gallium, Ga, atomic number 31] |
atomic number 32
(wn) | atomic number 32
n 1: a brittle grey crystalline element that is a semiconducting
metalloid (resembling silicon) used in transistors; occurs
in germanite and argyrodite [syn: germanium, Ge,
atomic number 32] |
atomic number 33
(wn) | atomic number 33
n 1: a very poisonous metallic element that has three allotropic
forms; arsenic and arsenic compounds are used as herbicides
and insecticides and various alloys; found in arsenopyrite
and orpiment and realgar [syn: arsenic, As, {atomic
number 33}] |
atomic number 34
(wn) | atomic number 34
n 1: a toxic nonmetallic element related to sulfur and
tellurium; occurs in several allotropic forms; a stable
grey metallike allotrope conducts electricity better in the
light than in the dark and is used in photocells; occurs in
sulfide ores (as pyrite) [syn: selenium, Se, {atomic
number 34}] |
atomic number 35
(wn) | atomic number 35
n 1: a nonmetallic heavy volatile corrosive dark brown liquid
element belonging to the halogens; found in sea water [syn:
bromine, Br, atomic number 35] |
atomic number 36
(wn) | atomic number 36
n 1: a colorless element that is one of the six inert gasses;
occurs in trace amounts in air [syn: krypton, Kr,
atomic number 36] |
atomic number 37
(wn) | atomic number 37
n 1: a soft silvery metallic element of the alkali metal group;
burns in air and reacts violently in water; occurs in
carnallite and lepidolite and pollucite [syn: rubidium,
Rb, atomic number 37] |
atomic number 38
(wn) | atomic number 38
n 1: a soft silver-white or yellowish metallic element of the
alkali metal group; turns yellow in air; occurs in
celestite and strontianite [syn: strontium, Sr, {atomic
number 38}] |
atomic number 39
(wn) | atomic number 39
n 1: a silvery metallic element that is common in rare-earth
minerals; used in magnesium and aluminum alloys [syn:
yttrium, Y, atomic number 39] |
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