30 words in this vocabulary list
noun a highly toxic metallic element that is used in various industrial processes and is a common cause of poisoning
noun a basic unit of matter that consists of a dense central nucleus surrounded by a cloud of negatively charged electrons
noun a substance produced by or used in a chemical process
adjective relating to chemistry or the interactions of substances as studied in chemistry
noun the way in which something is put together or arranged
verb to be composed or made up of
preposition used to indicate the components or elements that make up something
noun a nonmetallic element belonging to the halogens; used in medicine and photography
noun a strong, hard magnetic silvery-gray metal, the chemical element of atomic number 26
verb smooth (clothes, sheets, etc.) with an iron
adjective of or resembling iron
adverb in a strong, robust, or unyielding manner
noun a position at the forefront of a process or activity
verb to guide or direct in a course
noun a hard, silvery-white metallic element used in alloys and as a coating for other metals
noun a colorless, odorless, and tasteless gas that makes up about 78% of the Earth's atmosphere
noun a chemical element with the symbol O and atomic number 8, a colorless, odorless reactive gas that is essential for life
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noun a cloth spread over a coffin, hearse, or tomb
verb to become less appealing or interesting
noun a rare silvery-white metal resembling platinum
noun a substance that exhibits phosphorescence, such as a phosphorescent coating on the inside of a cathode-ray tube
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noun a subatomic particle with a positive electric charge found in the nucleus of an atom
noun a highly radioactive metallic element found in small amounts in uranium ores, used in the treatment of cancer and in luminous paints
adjective describing something as resembling silver in color or appearance
noun a chemical element with the symbol Au and atomic number 79, making it one of the higher atomic number elements that occur naturally
adjective pertaining to or made of gold
noun a common name for sulfur when it is in a solid state, often associated with fire and brimstone in religious contexts
noun a letter of the alphabet
adjective indicating a failing grade
noun a hypothetical chemical element with the symbol Uut and atomic number 113
noun a numerical value representing one hundred in Roman numerals
adjective relating to the number one hundred
noun a series of chemically similar metallic elements with atomic numbers ranging from 89 to 103, found in the actinide series of the periodic table
noun a series of chemical elements that includes actinium and all the elements with atomic numbers from 89 to 103
noun a combining form representing actinide in compound words
noun a radioactive metallic chemical element with symbol Ac and atomic number 89
noun a type of mineral that has a radiating or star-like crystal structure
noun a group of chemical elements that are part of the actinide series on the periodic table
noun a rare mineral that is a complex oxide of various rare earth elements and tantalum
noun a chemical element with the symbol Ag and atomic number 47, a soft white metallic transition element
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