What is the approximate mass of a proton? a) 1 u b) 0.0005 u c) 1 g d) 0.0005 g What is the relative mass of an electron and a proton? What are the mass and charge of a proton? Where is it located in an atom? Which subatomic particle has a relative mass of 1839 if the ma...
What is the relative atomic mass of sodium? Sodium: On the periodic table of elements, the chemical element sodium is shown by the symbol Na. Sodium has an atomic number of 11, which means it has 11 protons. Key Terms Element: An element is a chemical substance that cannot be broken do...
if a proton has a relative mass of 1 unit and a relative charge of +1 unit .what is the接上relative mass and charge of :1.a neutron2.an electron? 答案 质子,中子,电子...有什么关系?化学知识忘没了.搞清它们关系了应该就能选出来了.相关推荐 1if a proton has a relative mass of 1 unit...
Magnesium oxide (chemical formula: MgO) is a compound composed of magnesium and oxygen elements. Relative molecular mass is the ratio of the mass of a substance molecule to the mass of carbon-12 isotope. It can be used to describe the size of the Magnesium oxide molecule's mass. What ...
The gram molecular mass of chlorine is 35.453 g/mol.Since this is a decimal value, there must be multiple isotopes of chlorine. Rounding this average... Learn more about this topic: Molar Mass | Definition, Formula & Examples from
A proton is a subatomic particle found in the nucleus of atoms that differs from the other subatomic particles (called 'neutrons') in the nucleus of most atoms because each proton has a positive charge of +1 (as opposed to neutrons, which have no charge). A proton may also be defined ...
Introduction Nonalcoholic fatty liver disease (NAFLD) is the liver manifestation of adiposopathy. Recently, a new score was developed to estimate body fat percentage (relative fat mass, RFM). We aimed to evaluate the value of RFM in predicting the presence and severity of NAFLD, compared with ...
For helium, we use Y, that is the fraction of He in mass. The interquartile of a distribution is the range of values including the middle 50% of the distribution, leaving out the highest and lowest quartiles. Alternative estimates of the current masses for MC clusters are provided by ...
The mass of an atom comes from the mass of its protons and neutrons. These are the two largest of the three subatomic particles in an atom and both are found in the nucleus. The smallest subatomic particles, the electrons, orbit the nucleus but have so little mass that they do ...
What is the molar mass of cholesterol? Answer and Explanation: The molar mass of cholesterol is 386.6513 grams / mole. To get the molar mass of a compound, the individual molar mass of the elements are added... Learn more about this topic: ...