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Atom of element X has mass 5 times than that of Carbon-12 What is its atomic mass?
Mass of Carbon-12 = 12 amu 5times of mass of Carbon-12 atom = 5 x 12 = 60 amu So atomic mass of element X = 60 amu Rachel- www.examville.com ,tutor
What element is the atomic base unit amu based off of?
The atomic mass unit (amu) is based on the carbon-12 isotope, with 1 amu defined as one twelfth of the mass of a carbon-12 atom. This definition allows for easier comparison of the masses of different atoms.
What is the number of grams of an element that is numerically equal to its mass in amu?
The number of grams of an element that is numerically equal to its mass in amu is one mole (Avogadro's number of atoms or molecules). This is because the atomic mass unit (amu) is defined based on the carbon-12 isotope where 1 amu is approximately equal to the mass of one proton or neutron. For most elements, one mole of atoms or molecules is numerically equal to their mass in grams.
How many Helium-atoms and Carbon-atoms do you have if you have He-atoms with mass of 40amu and C-atoms with mass of 120amu?
Mass of 1 Helium atom is 4 amu and mass of 1 Carbon atom is 12 amu. So there are 10 helium atoms and 10 carbon atoms
What is the AMU of carbon?
AMU stands for atomic mass units; the number of units an element has is called its atomic mass. The atomic mass of carbon is exactly 12, by definition.
What does amu measure?
amu is an anime character in shugo chara ------------------------------------------------- The atomic mass unit (amu) is 1/12 from the atomic mass of the isotope 12C in his ground state.
What is the mass in grams of 100 atoms of the carbon 12 isotope?
100 atoms of C-12(12g/6.022x10^23) = 1.993x10^-21g
What is the defined atomic mass in amu of this isotope?
The atomic mass of an isotope is the weighted average mass of all the isotopes of that element based on their natural abundance. It is expressed in atomic mass units (amu).
Element A has atom which is 3 times lighter than that of Carbon-12 Calculate its atomic mass?
Mass of C-12 atom = 12 amu mass of C-12 atom = am So atomic mass of A = 4 amu source ; www.examville.com
How is value of amu found?
The atomic mass unit (amu) is defined as one twelfth of the mass of a carbon-12 atom. Scientists have determined the value of the amu by comparing the masses of different atoms to this standard. This is done using mass spectrometry and other techniques to accurately measure the mass of atoms.
What is an amu and does it relate to atoms?
An atomic mass unit (amu) is a unit of mass used to express atomic and molecular weights. It is defined as a twelfth of the mass of an atom of carbon-12. Since atoms have very small masses, the amu is used to provide a more practical and meaningful scale for representing these minuscule values.
In the compound Cu2OH2CO3 which element is present with the largest percent by mass?
From the formula of the compound, each molecular unit contains 2 copper atoms, 4 oxygen atoms, one carbon atom, and 2 hydrogen atoms. Multiplying each of these by its corresponding atomic mass gives 127 atomic mass units ("amu") of copper, 64 amu of oxygen, 12 amu of carbon, and 2 amu of hydrogen. Copper is clearly present in the largest percent by mass.
