Recent questions in Atomic Mass

+14 votes

0 answers

Who introduce the concept of molar mass?

asked Jan 13, 2023 in Atomic Mass by CelestialScribe

+21 votes

0 answers

Why an atom of calcium has a mass of 40?

asked Jan 13, 2023 in Atomic Mass by sirlunk (3.2k points)

+26 votes

0 answers

What is the complementary atomic number 43, mass number 99, and charge of 7+?

asked Jan 13, 2023 in Atomic Mass by whatsthenews

+401 votes

0 answers

What mass would Avogadro's number of sulfur (S) atoms have?

asked Jan 13, 2023 in Atomic Mass by polygenius

0 votes

0 answers

The element Eu occurs naturally as a mixture of 47.82% 151 63Eu and whose mass is 150.9 amu, and 52.18% 151 63Eu whose mass is 152.9 amu. What is the average atomic mass of Eu?

asked Jan 12, 2023 in Atomic Mass by AstralScribe

+10 votes

0 answers

What is the atomic mass of this element, if a naturally occurring element X has two isotopes with mass number 79 and 81? The lighter one has proton number 35 and 50.69% abundance.

asked Jan 12, 2023 in Atomic Mass by Thomsky

+14 votes

0 answers

Why is carbon-12 used as a standard for measuring relative atomic mass? Even hydrogen (protium) could have been used instead of carbon-12.

asked Jan 12, 2023 in Atomic Mass by Cocorita

+235 votes

0 answers

What is the standard unit of mass at the atomic level?

asked Jan 12, 2023 in Atomic Mass by DiyGuy777

0 votes

0 answers

Which part of an atom has no mass?

asked Jan 12, 2023 in Atomic Mass by NebulaHarmony

+806 votes

0 answers

How does atomic weight work in space if it is an average of all of the isotopes on Earth?

asked Jan 12, 2023 in Atomic Mass by ponty.01

+14 votes

0 answers

Do atoms have mass?

asked Jan 12, 2023 in Atomic Mass by Greg Walker

+65 votes

0 answers

What is the molar mass of MnClO43?

asked Jan 12, 2023 in Atomic Mass by peachesberate

+12 votes

0 answers

Why is the atomic mass of Carbon-12 exactly 12 but the atomic mass of Oxygen-16 is ~15.99? (I am talking about the isotopes themselves not the weighted average seen on the periodic table)

asked Jan 12, 2023 in Atomic Mass by Deland01

+17 votes

0 answers

What is the need of the term “average atomic mass”?

asked Jan 11, 2023 in Atomic Mass by andyboy (3.2k points)

+13 votes

0 answers

The atomic mass of an oxygen atom is 16 u. What is it equal to?

asked Jan 11, 2023 in Atomic Mass by VCG Construction

+16 votes

0 answers

What is the atomic mass of water?

asked Jan 11, 2023 in Atomic Mass by Jesse Gaffey

+6 votes

0 answers

What is the gram atomic mass of ZnCO3?

asked Jan 11, 2023 in Atomic Mass by icerinkconnection

+285 votes

0 answers

Iron has the following isotopes, 5.85% 54Fe, 91.75% 56Fe, 2.12% 57Fe, and 0.28% 58Fe. What would be the atomic weight of iron then?

asked Jan 11, 2023 in Atomic Mass by LunarTwilight (1.7k points)

+94 votes

0 answers

What property is now used instead of the atomic mass?

asked Jan 10, 2023 in Atomic Mass by RichBB

+17 votes

0 answers

What is the atomic weight of cobalt?

asked Jan 10, 2023 in Atomic Mass by ShubieDoo

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