Please input the text which you need to translate! No matter how much I feel lost and hesitated now. I need to live the way I want at last. this![translate] a不过你不要伤心 正在翻译,请等待... [translate] aatoms chemically combine to form 化工原子组合形成[translate]...
What two elements combine to form organic chemistry? How do the atoms of a molecule stay together? What makes one atom different from another atom? What type of bond holds atoms together because of their charge? What is the relationship between the group of an atom and the ion it wi...
Molecules, on the other hand, are formed when two or more atoms chemically combine. These atoms are held together by chemical bonds, which can be covalent, ionic, or metallic in nature. Covalent bonds involve the sharing of electrons between atoms, creating stable molecular structures. Ionic bon...
A tiny particle of a chemical element is called an atom, which may or may not exist independently. Molecules refer to the group of atoms that the bond binds together, representing the smallest unit in a compound. Two or more identical or distinct atoms are chemically bonded. ...
When the concert, the singer sings each wonderful interesting to listen to song, the audience then loud cheers expresses the appreciation. [translate] aAtoms of different elements can physically mix together or chemically combine. 不同的元素原子可能完全混合在一起或化工结合。 [translate] ...
Elements also have specific chemical reactivity, the ability to combine and to chemically bond with each other.In the periodic table, shown in Figure 3, the elements are organized and displayed according to their atomic number and are arranged in a series of rows and columns based on shared ...
Atoms of different elements can physically mix together or combine chemically in simple whole-number ratios to form compounds. Chemical reactions occur when atoms are separated, joined, or rearranged in different combinations.Atoms of one element never changed into atoms of another asa result of a ...
of atoms in a given compound is fixed. during chemical combination, atoms of different elements combine in small whole numbers to form compounds. atoms of the same elements can combine in more than one ratio to form more than one compound. b) the postulate “the elements are made up of ...
consisting of a homogeneous element; a pure substance consisting of various elements For example, oxygen, nitrogen, iron, copper, sulfur dioxide, hydrogen peroxide, Potassium Permanganate alumina They belong to pure substances, and they combine to form compounds The difference and relation between 2....
2.3Atoms and molecules 2.3Atomsandmolecules Review Whatispuresubstance Apuresubstanceconsistsofonlyonesubstance.Whichoneispuresubstance?oxygenSodiumchloride Elements:substancesthatcannotbechemicallybrokendownintosimplersubstances.Compounds:puresubstancesmadefromtwoormore,elementschemicallycombined together.Elementsand...