Oxygen is achemical element with an atomic number of 8(it has eight protons in its nucleus). Oxygen forms a chemical compound (O2) of two atoms which is a colorless gas at normal temperatures and pressures. ... About 21% of Earth's atmosphere is oxygen. ...
Water is made up of two different elements, 2 hydrogens and 1 oxygen, so H2O is a compound. Two oxygen atoms (O2) are two elements, but they are the same element, so O2 is a molecule. Iron oxide (Fe2O3), or rust, is made up of two different elements, 2 irons and 3 oxygens...
Molar mass is the mass of Avogadro's number of atoms of that element or compound. Avogadro's number is 6.02 x 1023 and can be used to represent the number of representative particles of any particle on the atomic scale. The molar masses of the elements are listed on the periodic table.A...
Is a pure silver ring classified as an element, a compound, a homogeneous mixture, or a heterogeneous mixture? Explain.Matter:In our surroundings, everything is constructed of matter. Every element, compound, and mixture is made up of very small...
If the formula of an oxide of element X is XO, what is the formula of the nitride of X? What is the formula for phosphorus acid? What is the chemical formula of a compound that contains Mg and Cl? What is the formula of the compound formed between magnesium and oxygen? A. MgO B....
10.Given a chemical formula: CaCl2. What is the name of it? Is it a binary compound? Is it an ionic or a molecular compound? Is it an electrolyte? How about the melting point? ___ 11.Given a chemical reaction: Copper (II) nitrate + Potassium ...
aaliphatic, aromatic or alcoholic liquids. Where the treating compound is, for example, trimethylborate, a hydro carbon solvent such as n-octane may be employed. 正在翻译,请等待...[translate]
a good relationship with immune cellular infiltration, especially monocytes. In vitro, the knockdown of PLP2 enhanced endoplasmic reticulum stress-related apoptosis and increased drug sensitiveness in THP-1 cells.PLP2 might be an unique therapeutic target in AML, in inclusion, PLP2 is a potential ...
during the first step of the neddylation process.17 MLN4924 is a synthetic compound that inhibits this process and has been under investigation as an anticancer drug in phase 2 clinical studies.18 Given that adipogenesis does not occur without NEDD8 or APPBP1, we were motivated to evaluate the...
Answer and Explanation: The net electrical charge of an ionic compound is zero. The unequal number of ions in a compound introduces the electric charge. The number of... Learn more about this topic: Ionic Compound | Formation, Properties & Examples ...