Recent questions in Atomic Mass

+1 vote

0 answers

Why do we use average atomic mass?

asked Sep 14, 2022 in Atomic Mass by Arthur Haslehurst

+2 votes

0 answers

For all, its atomic number is 13 and its mass number is 27. How many neutrons does it have?

asked Sep 13, 2022 in Atomic Mass by Luke Dunning

+6 votes

0 answers

The atomic mass of an element is 40 amu. What does it mean?

asked Sep 13, 2022 in Atomic Mass by Mr Sworld

+257 votes

0 answers

What is the relative atomic mass of zinc in this equation Zn+CuSO4=ZnSO4+Cu?

asked Sep 13, 2022 in Atomic Mass by NikkiJane

+9 votes

0 answers

The atomic mass of aluminum is 26.98 g while the mass of an aluminium coin is only 0.75 g. How does that even make sense?

asked Sep 13, 2022 in Atomic Mass by George Pires

+15 votes

0 answers

Naturally occuring sample of bromine contains 50% of bromine with the mass of 79 and 49% of bromine with the mass of 81 so what is the atomic mass of bromine?

asked Sep 13, 2022 in Atomic Mass by Dewy (2.8k points)

+2 votes

0 answers

What is the smallest difference between two elements' atomic masses?

asked Sep 13, 2022 in Atomic Mass by kittblack

+70 votes

0 answers

How do I calculate the atomic mass of lithium, which occurs as two isotopes: lithium-6 with a mass of 6.015122 amu and 7.30% natural abundance, and lithium-7 with a mass of 7.016004 amu and 92.70% natural abundance?

asked Sep 13, 2022 in Atomic Mass by CrystalSculptor

+12 votes

0 answers

What is the atomic mass of gold?

asked Sep 12, 2022 in Atomic Mass by AstralDreamer

+115 votes

0 answers

Natural potassium consists of 93.10% K-39 and 6.90% K-41. Do these relative values confirm the accepted average atomic mass for natural potassium?

asked Sep 12, 2022 in Atomic Mass by Jack Downey

+6 votes

0 answers

What is the atomic mass of copper if copper is distributed in nature as two isotopes 65Cu -30.92% and 63Cu -69.08%?

asked Sep 12, 2022 in Atomic Mass by Risteard

+27 votes

0 answers

How many oxygen atoms does calcium sulfate have?

asked Sep 12, 2022 in Atomic Mass by Damos1080

+66 votes

0 answers

Approximately how many grams does 3 x 10^23 atoms of Cu weigh?

asked Sep 10, 2022 in Atomic Mass by skiingscot

+4 votes

0 answers

If the atomic mass of an element is x, what is the mass in grams of 10^ {23} atoms of the element?

asked Sep 10, 2022 in Atomic Mass by Mr Perfect

+18 votes

0 answers

If the atomic number of element X is 30 and it has a mass of 57, how many neutrons are there?

asked Sep 10, 2022 in Atomic Mass by wildcat2514

+24 votes

0 answers

Why are some atoms heavier than others?

asked Sep 10, 2022 in Atomic Mass by TY91

+11 votes

0 answers

How did we find the number of electrons, protons, and neutrons in the past if we didn't have the atomic number or weight?

asked Aug 20, 2022 in Atomic Mass by Phil1981

+281 votes

0 answers

What are atomic mass producers?

asked Aug 20, 2022 in Atomic Mass by Jerdav

+10 votes

0 answers

The mass of an H atom is 1.008 a.m.u. What is its mass in kg?

asked Aug 20, 2022 in Atomic Mass by Gavin Ezard

+8 votes

0 answers

Do different copper atoms have different mass of moles? I'm asking this because I was given a question where I had to calculate the 'mass of a mole of copper atoms" after electrolysis had occurred.

asked Aug 19, 2022 in Atomic Mass by EmberCharm

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