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Chemical elements - thesaurus

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actinium

noun

a chemical element that is a rare radioactive metal. Its symbol is Ac.

alkali metal

noun

a soft, white metal that is a chemical element. Lithium, sodium, and potassium are alkali metals.

americium

noun

a chemical element that is a radioactive metal. Its symbol is Am.

antimony

noun

a chemical element that is a brittle silvery-white semimetal. Its symbol is Sb.

arsenic

noun

a chemical element that is a brittle grey semimetal. Its symbol is Ar and it is used in industry and as a poison for killing pests and weeds.

astatine

noun

a chemical element that is a radioactive member of the halogen group. Its symbol is At.

berkelium

noun

a chemical element that is a radioactive metal. Its symbol is Bk.

beryllium

noun

a chemical element that is a hard grey metal. Its symbol is Be.

bismuth

noun

a chemical element that is a reddish-grey metal. Its symbol is Bi.

bohrium

noun

a chemical element that is radioactive and is produced artificially. Its symbol is Bh.

boron

noun

a chemical element that combines with other elements. It is used in nuclear reactors, for making glass, and for making steel hard.

brimstone

noun

an old word meaningsulphur

bromine

noun

a chemical element that is usually a dark red liquid but can easily change into a gas. It is used in dyes and in making film for taking photographs.

cadmium

noun

a chemical element that is a metal and is used, for example, in making batteries

caesium

noun

a chemical element that is a metal and is used in photoelectric cells

calcium

noun

a white chemical element that is an important part of bones and teeth and is found in some types of rock

californium

noun

a chemical element that is a radioactive metal. Its symbol is Cf.

carbon

noun

chemistry a chemical element that is found in all living things, and can also exist as diamonds or coal

cerium

noun

a chemical element that is a silvery-white metal. Its symbol is Ce.

cesium

noun

the American spelling of caesium

copernicium

noun

a chemical element that is very radioactive and is produced artificially. Its symbol is Cn.

curium

noun

a chemical element that is a radioactive metal. Its symbol is Cm.

darmstadtium

noun

a chemical element that is radioactive and is produced artificially. Its symbol is Ds.

dubnium

noun

a chemical element that is radioactive and is produced artificially. Its symbol is Db.

dysprosium

noun

a chemical element that is a soft silvery-white metal. Its symbol is Dy.

einsteinium

noun

a chemical element that is a radioactive metal and is produced artificially. Its symbol is Es.

erbium

noun

a chemical element that is a soft silvery-white metal. Its symbol is Er.

europium

noun

a chemical element that is a soft silvery-white metal. Its symbol is Eu.

fermium

noun

a chemical element that is a radioactive metal and is produced artificially. Its symbol is Fm.

fluorine

noun

a chemical element that is a poisonous yellow gas

francium

noun

a chemical element that is a radioactive metal. Its symbol is Fr.

gadolinium

noun

a chemical element that is a soft silvery-white metal. Its symbol is Gd.

gallium

noun

a chemical element that is a soft silvery-white metal. Its symbol is Ga.

germanium

noun

a chemical element that is a shiny grey semi-metal. Its symbol is Ge.

hafnium

noun

a chemical element that is a hard silvery-grey metal. Its symbol is Hf.

halogen

noun

a chemical element belonging to a group of five that combine with metals to form salts

hassium

noun

a chemical element that is very unstable and is produced artificially. Its symbol is Hs.

helium

noun

a chemical element which is a gas that is lighter than air. Its symbol is He and it is often used for lifting large balloons.

holmium

noun

a chemical element that is a soft silvery-white metal. Its symbol is Ho.

indium

noun

a chemical element that is a soft silvery-white metal. Its symbol is In.

iridium

noun

a chemical element that is a hard silvery-white metal. Its symbol is Ir.

lanthanum

noun

a chemical element that is a silvery-white rare-earth metal. Its symbol is La.

lawrencium

noun

a chemical element that is a rare silvery-white metal. Its symbol is Lu.

lutetium

noun

a chemical element that is a radioactive metal and is produced artificially. Its symbol is Lr.

magnesium

noun

a chemical element that is a light grey metal. Magnesium burns very brightly and is used in photography and for making fireworks.

meitnerium

noun

a chemical element that is very unstable and is produced artificially. Its symbol is Mt.

mendelevium

noun

a chemical element that is a radioactive metal and is produced artificially. Its symbol is Md.

molybdenum

noun

a chemical element that is a brittle silvery-grey metal. Its symbol is Mo.

neodymium

noun

a chemical element that is a silvery-white metal. Its symbol is Nd.

neptunium

noun

a chemical element that is a radioactive metal. Its symbol is Np.

niobium

noun

a chemical element that is a silvery-grey metal. Its symbol is Nb.

nobelium

noun

a chemical element that is a radioactive metal and is produced artificially. Its symbol is No.

osmium

noun

a chemical element that is a hard silvery-white metal. Its symbol is Os.

palladium

noun

a chemical element that is a rare silvery-white metal. Its symbol is Pd.

the periodic table

noun

a list of chemical elements arranged according to the structure of their atoms

phosphorus

noun

a chemical element, especially a form called white phosphorus that starts to burn by itself when air touches it

polonium

noun

a chemical element that is a radioactive metal. Its symbol is Po.

praseodymium

noun

a chemical element that is a soft silvery-white metal. Its symbol is Pr.

promethium

noun

a chemical element that is a radioactive metal. Its symbol is Pm.

protactinium

noun

a chemical element that is a radioactive metal. Its symbol is Pa.

rhenium

noun

a chemical element that is a rare silvery-white metal. Its symbol is Re.

rhodium

noun

a chemical element that is a hard silvery-white metal. Its symbol is Rh.

roentgenium

noun

a chemical element that is radioactive and is produced artificially. Its symbol is Rg.

rubidium

noun

a chemical element that is a rare soft silvery metal. Its symbol is Rb.

ruthenium

noun

a chemical element that is a hard silvery-white metal. Its symbol is Ru.

rutherfordium

noun

a chemical element that is very unstable and is produced artificially. Its symbol is Rf.

samarium

noun

a chemical element that is a hard silvery-white metal. Its symbol is Sm.

scandium

noun

a chemical element that is a soft silvery-white metal. Its symbol is Sc.

seaborgium

noun

a chemical element that is produced artificially. Its symbol is Sg.

selenium

noun

a chemical element that is not a metal and that your body needs in small amounts in order to be healthy

semimetal

noun

a chemical element such as silicon that is not a metal but that has some of the qualities that a metal has

sodium

noun

a chemical element that is a silver-white metal, usually found combined with other chemicals

sulfur

the American spelling of sulphur

sulphur

noun

a yellow chemical element that has a strong smell, used for making medicines and explosives

tantalum

noun

a chemical element that is a hard silvery-grey metal. Its symbol is Ta.

technetium

noun

a chemical element that is a radioactive metal. Its symbol is Tc.

tellurium

noun

a chemical element that is a shiny silvery-white semimetal. Its symbol is Te.

terbium

noun

a chemical element that is a silvery-white metal. Its symbol is Tb.

thallium

noun

a chemical element that is a soft silvery-white metal. Its symbol is Tl.

thorium

noun

a chemical element that is a white radioactive metal. Its symbol is Th.

thulium

noun

a chemical element that is a soft silvery-white metal . Its symbol is Tm.

tin

noun

chemistry a soft light silver metal, often used for covering iron or steel. Tin is a chemical element.

titanium

noun

a strong light and expensive white metal that is a chemical element

trace element

noun

biology a chemical element that a living thing needs in only extremely small amounts in order to grow and develop normally, for example iron or zinc

trace element

noun

chemistry a chemical element that is found in extremely small amounts in a mineral

uranium

noun

a chemical element that is a metal and is used for producing nuclear energy because it is radioactive

vanadium

noun

a chemical element that is a hard grey metal. Its symbol is V.

ytterbium

noun

a chemical element that is a silvery-white metal. Its symbol is Yb.

yttrium

noun

a chemical element that is a greyish-white metal. Its symbol is Y.

zinc

noun

a chemical element that is a blue-white metal

zirconium

noun

a chemical element that is a hard silvery-grey metal. Its symbol is Z.

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gaslight

to manipulate someone psychologically so that they begin to question their own perceptions and memories

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the phenomenon by which an incompetent person is too incompetent to understand his own incompetence

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