Recent questions in Atomic Number

+3 votes

0 answers

Which element has the atomic number 1, helium or hydrogen?

asked Apr 17, 2023 in Atomic Number by Greentram

+5 votes

0 answers

When a mass of a single element undergoes nuclear fusion and there isn't enough energy released for the newly created elements to fuse does it all become the element with exactly twice the original element's atomic number?

asked Apr 17, 2023 in Atomic Number by cactushead

+131 votes

0 answers

If aluminum has an atomic number of 13 and has 14 protons, what is its mass?

asked Apr 16, 2023 in Atomic Number by Boolay

+191 votes

0 answers

How do you figure out the number of electrons in each atom?

asked Apr 16, 2023 in Atomic Number by LuminousJourney

+26 votes

0 answers

What properties would an element with an atomic number of 792 have?

asked Apr 16, 2023 in Atomic Number by Adie Moore

+38 votes

0 answers

The atomic number of one particular isotope is equal to its mass number. Which isotope is it?

asked Apr 16, 2023 in Atomic Number by definitionastronomer

+17 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 Apr 16, 2023 in Atomic Number by georgemcintyre

+8 votes

0 answers

Which element has smallest atomic size?

asked Apr 16, 2023 in Atomic Number by hunter

+315 votes

0 answers

What is the number of neutrons of uranium-235 with the atomic number 92?

asked Apr 15, 2023 in Atomic Number by Adam S

+33 votes

0 answers

How do I calculate the number of atoms in one spherical particle of iron that is used in recording media that is 3nm in diameter, the density of iron is given as 7.8g/cm cubed, the atomic mass is 55.847kg/m squared?

asked Apr 15, 2023 in Atomic Number by alan

+224 votes

0 answers

What will be the change in the atomic number of an atom that release both one alpha and one beta particle at the same time?

asked Apr 15, 2023 in Atomic Number by SW

+16 votes

0 answers

How many valence electrons does an atom of potassium have?

asked Apr 15, 2023 in Atomic Number by BarryH

+17 votes

0 answers

An atom of an element weighs 3.00×10^23g. What is the atomic mass of this element in atomic mass units?

asked Apr 15, 2023 in Atomic Number by Barn Raiser (2.2k points)

+195 votes

0 answers

If we remove one neutron from an atom, what will happen to its mass number and atomic number? Will they increase or decrease? Why?

asked Apr 15, 2023 in Atomic Number by Kreg92

+586 votes

0 answers

How many protons does an atom have if its atomic number is 9 and it has 10 neutrons?

asked Apr 15, 2023 in Atomic Number by shelley mills

+24 votes

0 answers

Do all elements on Earth have atomic numbers?

asked Apr 15, 2023 in Atomic Number by QuantumMystic (4.2k points)

+21 votes

0 answers

What is the atomic number of ammonium?

asked Apr 15, 2023 in Atomic Number by 0161coop

+24 votes

0 answers

Are there any elements with atomic number one or two on the periodic table?

asked Apr 15, 2023 in Atomic Number by Nonails

+87 votes

0 answers

Does an increase in atomic number have an effect on ionic radius?

asked Apr 15, 2023 in Atomic Number by StellarEnigma

+11 votes

0 answers

Are protons in different elements with the same atomic number different?

asked Apr 15, 2023 in Atomic Number by ?µ???‚?„?µ?????‚??

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