Recent questions in Atomic Mass

+21 votes

0 answers

Why is the atomic mass of hydrogen not rounded to one?

asked Mar 20, 2023 in Atomic Mass by Simoneff

+3 votes

0 answers

Is the atomic mass/weight always roughly the atomic number×2?

asked Mar 20, 2023 in Atomic Mass by Thirty16

+23 votes

0 answers

Is there any relation between an atom’s mass and its charge on it’s nucleus?

asked Mar 20, 2023 in Atomic Mass by recentcrystals

+107 votes

0 answers

What is the molar mass of SbBr3?

asked Mar 20, 2023 in Atomic Mass by bn17311

+16 votes

0 answers

What’s the mass of 5.2x10^25 atoms of hydrogen in a candle (C25H52)?

asked Mar 20, 2023 in Atomic Mass by ciderboy

+6 votes

0 answers

What is the atomic number and mass of beryllium?

asked Mar 20, 2023 in Atomic Mass by Westy123

+117 votes

0 answers

What is the atomic mass of Na?

asked Mar 20, 2023 in Atomic Mass by LuminousSculptor

+34 votes

0 answers

How many percent of pure P in Ammonium phosphate, APP (11-48-0) given: Atomic mass of given element P= 31 O = 16?

asked Mar 19, 2023 in Atomic Mass by nudger

+16 votes

0 answers

What would Avogadro's number and the atomic mass of oxygen-16 be if the standard were that one mole of hydrogen is exactly one gram?

asked Mar 19, 2023 in Atomic Mass by Alza

+16 votes

0 answers

If the neutron of an element A is 20 with proton 19, the atomic mass is 39. If the neutron of B is decreased by 4 as compare with element A & the proton is still 19, what is the number of electrons, neutrons, atomic# & mass of B?

asked Mar 18, 2023 in Atomic Mass by fire

+13 votes

0 answers

What is the meaning of relative atomic mass?

asked Mar 18, 2023 in Atomic Mass by Dick Puller

+23 votes

0 answers

What is the atomic mass of an element MCl3 that the mass of chlorine to be 67.2%?

asked Mar 18, 2023 in Atomic Mass by Nigel Butler

+63 votes

0 answers

Sulfuric acid (H2SO4) has a molar mass of 98.1 g/mol. How many oxygen atoms are found in 75.0 g of H2 SO4?

asked Mar 18, 2023 in Atomic Mass by Jord86 (4.0k points)

+8 votes

0 answers

When doing chemistry problems with diatomic elements, how do you know which problems to use molar mass vs. atomic mass?

asked Mar 18, 2023 in Atomic Mass by mmatt

+15 votes

0 answers

What is the molar mass of FeSO4.6H20?

asked Mar 18, 2023 in Atomic Mass by King Herald

+17 votes

0 answers

What is the atomic mass unit (amu)? How many grams are there in one atomic mass unit?

asked Mar 18, 2023 in Atomic Mass by KennethMillen

+305 votes

0 answers

What does the following mean "The chemical and physical properties of elements are a periodic function of their atomic masses"?

asked Mar 18, 2023 in Atomic Mass by CelestialMystic

+788 votes

0 answers

How is it possible to get the atomic weight of hydrogen and helium when they have no weight at all? They literally float away. Better yet, shouldn't their atomic weight be a negative number?

asked Mar 18, 2023 in Atomic Mass by Shaggy

+21 votes

0 answers

Why is the atomic mass unit defined as "one-twelfth of the mass of one atom of carbon-12"? Why specifically carbon and not just the masses of one proton?

asked Mar 17, 2023 in Atomic Mass by wetneck

+89 votes

0 answers

How did scientists estimate the mass of a carbon atom (in grams) for the very first time?

asked Mar 17, 2023 in Atomic Mass by MysticHarmony

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