Chemistry

Chemistry, 02.10.2019 05:50, benjamingom030

Why is the mass of an iron atom different from the mass of a copper atom?

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Physics, 13.07.2019 00:30, lolhgb9526

Assume that an atom in a metallie crystal belhaves like a mass on a spring. let the angular frequency of oscillation of a copper atom be ω-10' radians/sec, and the copper mass to be 63 hydrogen masses. calculate the atom's classical amplitude of zero-point motion.

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Physics, 30.08.2019 03:50, ronniethefun

An atomic mass unit is equal to a. one-half the mass of a hydrogen atom. b. one-fourth the mass of a lithium atom. c. one-twelfth the mass of a carbon-12 atom. d. one-fifteenth the mass of a nitrogen-15 atom.

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Chemistry, 12.10.2019 02:30, PotatoBananad

An atomic mass unit is equal to a. one-half the mass of a hydrogen atom. b. one-fourth the mass of a lithium atom. c. one-twelfth the mass of a carbon-12 atom. d. one-fifteenth the mass of a nitrogen-15 atom.

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Chemistry, 22.10.2019 20:00, arangoaiden71

With which of these statements would john dalton have agreed in the early 1800s? explain why or why not? a. atoms are the smallest particles of matter.b.the mass of an iron atom is different from the mass of a copper atom.c. every atom of silver is identical to every other atom of silver.d. a compound is composed of atoms of two or more different elements

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