Recent questions in Atomic Mass

+210 votes

0 answers

What is the smallest atom with the maximum mass?

asked May 20, 2023 in Atomic Mass by Lauren Corbett

+6 votes

0 answers

Antimony has two naturally occurring isotopes, antimony-121 and iridium-123. If antimony-121 has an atomic mass of, 120.9038 u, and an isotopic abundance of 57.30%, what is the atomic mass of antimony-123?

asked May 20, 2023 in Atomic Mass by BG64

+40 votes

0 answers

Why is carbon-12 chosen as a reference standard for the relative atomic and molecular masses?

asked May 20, 2023 in Atomic Mass by Ant62

+13 votes

0 answers

Can two atoms have the same atomic number but different masses or charges? If yes, then how can this happen?

asked May 20, 2023 in Atomic Mass by Diydreamer

+9 votes

0 answers

At what particular point in mass accumulation of atoms should the theory of atomic structure change to another theory for multiple atomic structure?

asked May 20, 2023 in Atomic Mass by MysticHorizon

+305 votes

0 answers

How many carbon atoms are there in 12 Planck's mass of carbon at NTP?

asked May 20, 2023 in Atomic Mass by Crucken

+12 votes

0 answers

What is the atomic number of rhenium?

asked May 20, 2023 in Atomic Mass by graybags

+2 votes

0 answers

What is the atomic mass of iron and gold?

asked May 20, 2023 in Atomic Mass by qwas123 (3.5k points)

+3 votes

0 answers

What is the mass of 1 atom of oxygen?

asked May 19, 2023 in Atomic Mass by Richard_

0 votes

0 answers

What is the percent of oxygen by mass in a pure sample of Fecr2O4?

asked May 19, 2023 in Atomic Mass by Allhours

+9 votes

0 answers

How many moles are in the 54 atomic mass unit of helium?

asked May 19, 2023 in Atomic Mass by hunter

+13 votes

0 answers

What is the number of zinc atoms in a piece of zinc weighing 10g (atomic mass of Zn=65)?

asked May 19, 2023 in Atomic Mass by charlie k

+12 votes

0 answers

What is the mass number in gallium?

asked May 19, 2023 in Atomic Mass by StormyEnigma

+76 votes

0 answers

What is the atomic mass of lead?

asked May 19, 2023 in Atomic Mass by markie mark

+5 votes

0 answers

While calculating relative atomic masses, we have only taken 1/12 of the mass of 1 atom of a C-12 isotope of carbon for comparison. Why?

asked May 19, 2023 in Atomic Mass by tetleyman

+5 votes

0 answers

What are the atomic mass of the first 20 elements?

asked May 19, 2023 in Atomic Mass by NebulaHarmony

+55 votes

0 answers

What is the mass in grams of 2.00 × 105 atoms of naturally occurring neon?

asked May 18, 2023 in Atomic Mass by Pollowick

+11 votes

0 answers

What mass of Na metal contains the same number of atoms as 12g of C?

asked May 18, 2023 in Atomic Mass by Davebuilder

+1 vote

0 answers

What will happen to an atom's atomic number and mass if we add one electron to it?

asked May 18, 2023 in Atomic Mass by Pink Panther

+306 votes

0 answers

What is the mass of 1.00 mol of oxygen?

asked May 18, 2023 in Atomic Mass by ~StevieB~

Page:

1
2
3
4
...
38
next »

Recent questions in Atomic Mass

...