atomic mass- (chemistry) the mass of an atom of a chemical element expressed in atomic mass units atomic weight,relative atomic mass mass- the property of a body that causes it to have weight in a gravitational field combining weight,eq,equivalent weight,equivalent- the atomic weight of an ...
这里主要取决于 the mass of这个词组里的the,虽然意思为“大量的”,但它后面的名词接的是单数形式,但如果是a mass of其后就接的是复数名词了!
2. Atoms of one element cannot be converted into atoms of another element. 3. Atoms of an element are identical in mass and other properties and are different from atoms of any other element. 4. Compounds result from the chemical combination of ...
In the case of atoms, it has protons, neutrons, and electrons in it, and each of these sub-atomic particles carries a definite mass, although a neutron is chargeless it has a mass. Answer and Explanation: Atomic mass Th...
[translate] aThe atomic mass of an element indicates how heavy, on average, an atom of an element is when compared to an atom of another element 元素的原子质量表明多么重,平均,元素的原子是,当与另一个元素时原子比较[translate]
1 The relative atomic mass of an element is always D A the mass of an atom of the element relative to z the mass of a carbon-12 atom. B the mass of an atom of the element relative to the mass of a hydrogen atom.□ C the weighted mean mass of an atom of the element relative...
If the mass of a hydrogen atom is 1.67*10^-27kg and the mass of an electron is 9.1*10^-31kg,how many electrons would be required to have a mass equivalent to one hydrogen atom? 下载作业帮APP学习辅导没烦恼 答案解析 结果1 举报 这道题的意思是一个氢原子的质量是1.67*10^-27kg ,一个...
Answer to: How and why is the mass of an atom equal to the mass of 1 mole of the atom? By signing up, you'll get thousands of step-by-step...
ICSEC - Grade 09 - CHEMISTRY - Atomic Structure And Chemical Bonding - Q23
The atomic weight of an atom, or the molecular weight of a molecule, is its mass relative to that of a(n) ___ atom. This is essentially equal to the number of protons plus neutrons that the atom or molecule contains.的答案是什么.用刷刷题APP,拍照搜索