Recent questions in Atomic Number

+280 votes

0 answers

Element J has an average atomic mass of 212.01amu, which isotope of element J is most likely the most stable. 212.01J, 213J, 210J, or 212J. I'm lost as to how to do this properly without an atomic number?

asked Mar 18, 2023 in Atomic Number by EmberOracle

+22 votes

0 answers

An atom's mass number is 13 and its atomic number is 6. How many neutrons are in its nucleus?

asked Mar 18, 2023 in Atomic Number by indgepr

+11 votes

0 answers

The atomic number is 6 and the number of neutrons is 15. What is the mass number, number of protons, and number of electrons?

asked Mar 17, 2023 in Atomic Number by AuroraFlare

+133 votes

0 answers

How does removing an electron from an atom not create a net charge on the atom equal to its atomic number minus one?

asked Mar 17, 2023 in Atomic Number by LunarTwilight

+2 votes

0 answers

Is the atomic number a periodic property?

asked Mar 17, 2023 in Atomic Number by Dunroamin

+25 votes

0 answers

If we remove one electron from a neutral hydrogen atom, what will be its new atomic number (Z)? What will be its new mass number (A)? Will it still be called hydrogen? Why or why not?

asked Mar 17, 2023 in Atomic Number by Peterdevon

+3 votes

0 answers

Do all people have the same number of atoms?

asked Mar 17, 2023 in Atomic Number by NebulaSeeker

+162 votes

0 answers

Which of these has a higher atomic number: uranium or plutonium?

asked Mar 16, 2023 in Atomic Number by Heat

+149 votes

0 answers

Can you explain why the number of electrons is greater than the atomic number?

asked Mar 16, 2023 in Atomic Number by RadiantVortex

+43 votes

0 answers

Which chemical element, atomic number 53, with a name that derives from the colour of its vapour, is the heaviest 'essential element'?

asked Mar 16, 2023 in Atomic Number by yorkyguy

+11 votes

0 answers

If the number of charged and uncharged particles in the center of an atom are 7 and 9 respectively, what is the atomic number of the atom?

asked Mar 16, 2023 in Atomic Number by CrystalNova

+13 votes

0 answers

Which element has an atomic number of zero or closest to zero among all elements on earth?

asked Mar 16, 2023 in Atomic Number by justj (2.5k points)

+5 votes

0 answers

How can carbon and nitrogen be radioactive elements? Their atomic numbers are less than 82.

asked Mar 16, 2023 in Atomic Number by RadiantWhirl

+20 votes

0 answers

What is the atomic number of the element californium?

asked Mar 16, 2023 in Atomic Number by CrystalCharm

+16 votes

0 answers

Why isn't the number of atoms present in 52 amu of He 13× (6.0233×10*23) atoms? Why is it only 13 atoms?

asked Mar 16, 2023 in Atomic Number by LunarNova

+216 votes

0 answers

What are the number of atoms of each element present in 2cu SO4?

asked Mar 16, 2023 in Atomic Number by CrystalOracle

+59 votes

0 answers

What is the mass number of an isotope of gold?

asked Mar 15, 2023 in Atomic Number by Cornish Crofter

+238 votes

0 answers

How does each element have a different atomic number, but are all atoms similar in size? How can this be explained mathematically, in terms of physics/chemistry?

asked Mar 15, 2023 in Atomic Number by sownderapproval

+130 votes

0 answers

If the element number 120 or more is discovered before 119, where will that element be placed?

asked Mar 15, 2023 in Atomic Number by MysticPulse

+4 votes

0 answers

Which element in the periodic table hasn't been arranged according to its increasing atomic number?

asked Mar 15, 2023 in Atomic Number by Azh

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