百度试题 结果1 题目The atoms of the elements in a compound are combined in whole number ratio, not in fractional parts of an atom.相关知识点: 试题来源: 解析 化合物中各个元素的原子以整数比的形式组成,而不是以某个原子的小数形式。反馈 收藏 ...
If a chemical symbol has a subscript associated with it, there are multiple atoms of that element in the compound. Unless they are part of a polyatomic ion, each atom of that element is an individual ion. For example, iron (III) sulfate is written Fe2(SO4)3. The +3 oxidation state of...
If a chemical symbol has a subscript associated with it, there are multiple atoms of that element in the compound. Unless they are part of a polyatomic ion, each atom of that element is an individual ion. For example, iron (III) sulfate is written Fe2(SO4)3. The +3 oxidation state of...
What is the oxidation number of S in H2SO? What is the oxidation number of C in CCl4? What is the oxidation number of S in H2S? What is an oxidation number? What is the oxidation number of oxygen atoms in O_2^{-2}? What is the oxidation number for the entity: Br in BrO_3^(...
A compound of aluminum and oxygen contains 32 g of aluminum. If the molar mass of aluminum is 26.98 g/mol, how many atoms of aluminum are in the compound? Step 1:Identify the given number of atoms or weight of the substance and molar mass. ...
The number of protons in the nucleus of an atom. In electrically neutral atoms, this number is also equal to the number of electrons orbiting about the atom's nucleus. The atomic number of an element determines its position in the Periodic Table. ...
Coordination number, the number of atoms, ions, or molecules that a central atom or ion holds as its nearest neighbours in a complex or coordination compound or in a crystal. Thus the metal atom has coordination number 8 in the coordination complexes [Mo
Hydrogen atoms are transferred fromhydrazine, a compound ofnitrogenand hydrogen, to oxygen in the following reaction: Britannica Quiz Types of Chemical Reactions Hydrazine, losing hydrogen, is oxidized to molecular nitrogen, while oxygen, gaining hydrogen, is reduced towater. ...
Define number. number synonyms, number pronunciation, number translation, English dictionary definition of number. n. 1. Mathematics a. A member of the set of positive integers; one of a series of symbols of unique meaning in a fixed order that can be de
aThe molecule formula of a compound represents the actual number of atoms of each element present in a molecule. To find the molecular formula of a compound it is necessary to know both its empirical formula and its molecular or molarmass, which is usually some multiple of the mass calculated...