Atomic Mass (g/mol)=Actual Mass of One Atom (amu)×Avogadro's NumberThis means that the atomic mass of an element in grams per mole is equal to the actual mass of a single atom in amu multiplied by Avogadro's number. Step 4: Example with CarbonFor carbon:- The atomic mass of ...
The atomic number of a chemical element is the number of protons found in the nucleus of every atom of that element. The atomic number uniquely identifies a chemical element. It is identical to the charge number of the nucleus. In an uncharged atom, the ...
百度试题 结果1 题目 I. E. of one H atom is 2.18 × 10-18.J The I. E. of H atom is k.J mole His - B A) 1505 k.J mol-平 B) 1310 k.J mol-1C) 1608 k.J mol-1D)None 相关知识点: 试题来源: 解析 B 反馈 收藏 ...
aThe first ionisation energy of an element is the energy required to remove one electron from each atom in a mole of atoms of the element in the gaseous state 元素的第一游离能是要求的能量从每个原子去除一个电子在元素的原子痣在气体状态[translate]...
How many protons are in a lithium atom? What is lithium chloride's formula? 1 mole of lithium (Li) is equal to how many atoms of lithium? How many atoms are in lithium hydroxide? What is the mass number of radium? What is the most common isotope of lithium?
How many carbon atoms are in a 12 gram diamond? Avogadro's Number: The mass of one atom of an element is equal to the average atomic mass of the element divided by Avogadro's number, which is the number of particles (atoms, molecules, etc.) found i...
Atoms often contain a proton, a neutron, and an electron. Cleverly, the mass of one mole of a substance relates to the individual mass number of the atoms in that substance. For example, one mole ofoxygenhas a mass of 16 grams. This is because the most common type of oxygen atom cont...
A mole is quantified as Avogadro's number (6.02 × 1023) of atoms. An atom of a given element always has the same number of protons. If it had a different number, it would be a different element. However, atoms of the same element can have different numbers of neutrons. Each version...
Why does a sodium atom have a lower first ionization energy than a magnesium atom? What is the electron configuration of tungsten? What are the products of self-ionization of water? 1 mole of lithium (Li) is equal to how many atoms of lithium?
Today, a mole isAvogadro's numberof particles, which is exactly 6.02214076×1023. For all practical purposes, the mass of one mole of a compound in grams is approximately equal to the mass of one molecule of the compound in daltons. Originally, a mole was the quantity of anything that has...