Recent questions in Atomic Mass

+17 votes

0 answers

Can you give some examples of elements with an atomic number greater than their relative atomic mass (atomic weight)?

asked May 12, 2023 in Atomic Mass by bs3ac

+215 votes

0 answers

Can different elements have the same atom’s weight?

asked May 12, 2023 in Atomic Mass by RadiantVerse

+11 votes

0 answers

The density of gold is 19.3kg / (m ^ 3). The periodic table lists the mass of gold as 0.197 kg per 6.02 * 10 ^ 23 atoms. What is the mass Of a single gold atom?

asked May 12, 2023 in Atomic Mass by Moto Slug

+14 votes

0 answers

How can two atoms have the same mass but different atomic masses, as in the case of hydrogen? Why doesn't their relative atomic mass become zero?

asked May 12, 2023 in Atomic Mass by barbels1

+24 votes

0 answers

What is the atomic name of water?

asked May 12, 2023 in Atomic Mass by Graham price

+12 votes

0 answers

A. What is the mass of 0.80 mol of Na CO 2 3 b.what is the amount of substance in 5g CaCO 3 Relative atomic masses are [Na = 23, C= 12, Ca= 40]?

asked May 12, 2023 in Atomic Mass by Bonnielad22

+244 votes

0 answers

Why was carbon-12 selected as the standard element for atomic mass?

asked May 12, 2023 in Atomic Mass by Lokkars Daisy

+1 vote

0 answers

Does 0.5 mole of Mg atoms and 0.5 mole of oxygen gas have the same mass?

asked May 12, 2023 in Atomic Mass by Karl Milton

+6 votes

0 answers

What is the relative atomic mass of carbon?

asked May 12, 2023 in Atomic Mass by pangy

+208 votes

0 answers

What is the atomic mass of lithium-7?

asked May 11, 2023 in Atomic Mass by gadget man

+277 votes

0 answers

Why is the atomic mass of carbon written as 12.01 and not 12.00 u?

asked May 11, 2023 in Atomic Mass by QuantumVerse

+23 votes

0 answers

In a 5g atom of Ag, what is the weight of one atom of Ag?

asked May 11, 2023 in Atomic Mass by kevinbaldy

+23 votes

0 answers

Why are atomic mass units used for elements on periodic tables instead of actual masses?

asked May 11, 2023 in Atomic Mass by AuroraBloom

+638 votes

0 answers

Why is it deemed "logical" that the mass of a trillion galaxies was once smaller than an atom?

asked May 11, 2023 in Atomic Mass by Callum Palin

+27 votes

0 answers

The atomic number of an element x is 14, and its relative atomic mass is 28. How many neutrons does an atom x contain?

asked May 11, 2023 in Atomic Mass by ellipticalwaiting

+10 votes

0 answers

The charge of the nucleus of an element is + 2.4X10^-18 C . What is the relative atomic mass of the element?

asked May 11, 2023 in Atomic Mass by MysticHorizon

+18 votes

0 answers

An unknown element X has the following isotopes: ²⁵X (80.5% abundant) and ²⁷X (19.5% abundant). What is the approximate atomic mass of X?

asked May 11, 2023 in Atomic Mass by Bev Gaskin

+172 votes

0 answers

What is used for covalent bonding, atomic number or atomic mass?

asked May 11, 2023 in Atomic Mass by Monkey Man (2.5k points)

+83 votes

0 answers

Why are elements arranged in periodic table based on their atomic number and not atomic mass?

asked May 10, 2023 in Atomic Mass by Flick1

+81 votes

0 answers

What is meant by the relative atomic mass of oxygen is 16?

asked May 10, 2023 in Atomic Mass by MLrui

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