An atom of oxygen weighs 2.656 x 10-25 g. Calculate the number of atoms in 2 g of oxygen.
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Answer: vAtomic mass: Mass of an atom of an element, expressed in
Atomic mass: Mass of an atom of an element, expressed in atomic mass units
Atomic mass unit (amu): 1.661 x 10-24g
Atomic mass unit (amu): 1.661 x 10-24g Atomic weight: Average mass of all isotopes of a given
Atomic mass unit (amu): 1.661 x 10-24g Atomic weight: Average mass of all isotopes of a given element; listed on the periodic table
V. 1.
The main points of Dalton's atomic theory are: Everything is composed of atoms, which are the indivisible building blocks of matter and cannot be destroyed. All atoms of an element are identical. ... A chemical reaction results in the rearrangement of atoms in the reactant and product compounds.
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