sucrose (a molecular compound),nitrogen gas(N₂, a covalent compound), a sample of copper (intermetallic compound), and water. (H₂O, a covalent molecule). Samples of chemical species not taken into consideration compounds contain the hydrogen ion H+ and the noble gas elements (e.g.,...
A molecule is a group of two or more atoms bonded together, regardless of the elements involved. It can be a single element (e.g., O2) or a combination of different elements (e.g., H2O). A compound, on the other hand, is a specific type of molecule that consists of different elem...
define valency the combining capacity of an atom is known as its valency. the number of bonds that an atom can form as part of a compound is expressed by the valency of the element. we all know how electrons in an atom are arranged in shells/orbitals. valence electrons are those ...
Deduce the formula of a compound from the ratio of elements present. Describe the differences between compounds and mixtures.This article is written to meet the requirements of Secondary 3 Chemistry students.ElementsWhat is an element?An element is a pure substance that cannot be broken down into...
A molecule is a group of two or more atoms joined by chemical bonds, whereas a compound is a substance formed by the chemical bonding of more than one type of element that exists in a fixed proportion.
May be this will add some clarity to distinction between atom and element, and between molecule and compound: 2Cu(s)+O2(g)⟶2CuO(s)2Cu(s)+O2(g)⟶2CuO(s) In the above reaction, two atoms of element copper combine with one molecule of elemental substance oxygen to give two mole...
Derived terms Sulfideis a derived term ofheptasulphide. In chemistry terms the difference between heptasulphide and sulfide is thatheptasulphideis any sulphide containing two sulphur atoms in each molecule whilesulfideis any compound of sulfur and a metal or other electropositive element or group. ...
解析 A compound is a substance form two or more elements chemically united in fixed proportions. A molecule is a group of atom that can take part in a chemical reaction.结果一 题目 what's the difference between a compound and a molecule?rt 答案 A compound is a substance form two or ...
Briefly compare and explain the difference between a crystal structure and a crystal system. What is the difference in behavior in the conductivity of KClO3_(s) and KClO3_(l)? Describe the main difference between an element & a compound. Be sure to include the following id...
Describe the main difference between an element & a compound. Be sure to include the following ideas: pure substance, combination & chemical bonds. What is the difference between computational chemistry and computer science? In what ways do physical and chemical prop...