If 3 is an element of A and 3 is not an element of B, then which of the following is NOT true? a. 3 is an element of B complement b. 3 is an element of A union B c. 3 is an element of A intersect B If the set S has n elements then prove that A(S) has n...
whereas a compound is a substance formed by the chemical bonding of more than one type of element that exists in a fixed proportion. Molecular compounds and ionic compounds differ in the types of bonds each contain.
The only method to classify molecules is whether they are homonuclear, they consist of only one element, like H₂, O₂, O₃, P₄, N₂, and S₈; heteronuclear, consist of more than one element, like NO₂, CH₄, PCl₅, CO, and C₆H₁₂O₆. Images of two mo...
1.the smallest physical unit of an element or compound, consisting of one or more like atoms in an element and two or more different atoms in a compound. 2.a quantity of a substance, the weight of which is numerically equal to the molecular weight; gram molecule. ...
英英释义 (physics and chemistry) the simplest structural unit of an element or compound (nontechnical usage) a tiny piece of anything 访问沪江小D查看molecule的更多详细解释> 近义词辨析 这些名词均有“粒,微粒”之意。molecule指物质中保持原物质的一切化学性质,能独立存在的最小微粒,即分子。atom指元素的...
n. (physics and chemistry) the simplest structural unit of an element or compound molecule的用法和例句: 1.Organic chemists makemolecules, very complicatedmolecules by chopping up a bigmoleculeinto allermolecules and doing reverse engineering.
Disclosed is a functional molecular element exhibiting its function under the operation of an electrical field. A compound is used in which a pendant molecule (3), formed by 4-pentyl-4'-cyanobiphenyl, exhibiting positive dielectric constant anisotropy or a dipole moment along t...
The key difference between element and molecule is that elements are pure substances that consist of only a single type of atom, and cannot be broken down
(chemistry) The smallest particle of a specific element or compound that retains the chemical properties of that element or compound; two or more atoms held together by chemical bonds. Hydrogen chloride is a diatomic molecule, consisting of a hydrogen atom and a chlorine atom. Compound Consisting...
molecule 1. Chemistry, Physics. the smallest physical unit of an element or compound, consisting of one or more like atoms in an element and two or more different atoms in a compound.2. Chemistry. a quantity of a substance, the weight of which, measured in any chosen unit, ...