Search results for "Lithium-7" - New World Encyclopedia
From New World Encyclopedia
- In science and technology, a battery is a device that stores chemical energy and makes it available in an electrical form. Batteries consist ...31 KB (4,897 words) - 11:28, 20 September 2023
- Actinium (chemical symbol Ac, atomic number 89) is a silvery, radioactive, metallic element. Due to its intense radioactivity, it glows in the ...7 KB (911 words) - 05:39, 15 June 2023
- A smoke detector or smoke alarm is a device that detects smoke and issues an alarm to alert nearby people that there is a potential fire. A household ...15 KB (2,419 words) - 14:59, 27 April 2023
- In cosmology, the Steady State theory (also known as the Infinite Universe theory or continuous creation) is a model developed in 1948 by Fred ...10 KB (1,466 words) - 19:55, 9 February 2023
- Crown ethers are heterocyclic chemical compounds that consist of a ring containing several ether groups. The most common crown ethers are oligomers ...6 KB (841 words) - 23:38, 5 May 2022
- In chemistry, a base is thought of as a substance which can accept protons or any chemical compound that yields hydroxide ions (OH-) in solution ...21 KB (3,307 words) - 11:03, 20 September 2023
- An epoxide is a cyclic ether with only three ring atoms. The simplest epoxide is ethylene oxide, also known as oxirane, which is regarded as ...6 KB (852 words) - 19:13, 13 February 2024
- The main group elements of the periodic table are groups 1, 2 and 13 through 18. Elements in these groups are collectively known as main group ...30 KB (4,368 words) - 00:41, 24 November 2022
- Emerald (from the Greek word smaragdos, through the French esmeralde, meaning "green gemstone") is a green variety of the mineral beryl ...10 KB (1,413 words) - 15:17, 31 December 2021
- Rocket propellant is the material used by a rocket engine to generate thrust. The most common propellants consist of a fuel and an oxidizer that ...24 KB (3,649 words) - 02:28, 16 December 2022
- Neodymium Neodymium is frequently misspelled as neodynium. (chemical symbol Nd, atomic number 60) is a silvery metallic element that is a member ...12 KB (1,578 words) - 16:18, 11 November 2022
- Jöns Jakob Berzelius (August 20, 1779 – August 7, 1848) was a Swedish chemist. Adversity in childhood fostered within Berzelius an independent ...9 KB (1,392 words) - 21:46, 4 October 2022
- Astrochemistry, representing an overlap of the disciplines of astronomy and chemistry, is the study of chemicals found in outer space, including ...7 KB (940 words) - 18:21, 19 August 2023
- A bleach is a chemical that can remove or lighten the color of an object, often by a process known as oxidation. Common chemical bleaches include ...7 KB (964 words) - 18:12, 31 October 2023
- Neptunium (chemical symbol Np, atomic number 93) is a silvery radioactive metallic element, belonging to the actinide series. It is the first ...11 KB (1,451 words) - 16:21, 11 November 2022
- Chemical bond is the term used to describe the linkages between atoms joined together to form molecules or crystals. Chemical bonds are the result ...25 KB (3,936 words) - 14:39, 5 December 2023
- Yttrium (chemical symbol Y, atomic number 39) is a lustrous, silvery metal that is found in most rare-earth minerals. It is relatively stable ...12 KB (1,634 words) - 21:34, 4 June 2023
- Fluorine (chemical symbol F, atomic number 9) is a nonmetal that belongs to a group of chemical elements known as halogens. Chemically, it is ...13 KB (1,855 words) - 17:47, 28 March 2024
- Bromine (chemical symbol Br, atomic number 35) is a nonmetal that belongs to a group of chemical elements known as halogens. It is the only liquid ...10 KB (1,346 words) - 04:33, 22 November 2023
- Electrochemistry is a branch of chemistry involving the study of interrelationships between electricity and chemical reactions. The chemical ...56 KB (8,590 words) - 15:53, 13 February 2024