Recent questions in Atomic Number

+20 votes

0 answers

Why is the density of an element not directly tied to its atomic number?

asked Feb 12, 2023 in Atomic Number by Sortingitout

+21 votes

0 answers

How can I know the mass number of an element?

asked Feb 12, 2023 in Atomic Number by LunarAlchemy

+9 votes

0 answers

What did physicist Richard Feynman predict would be the highest atomic number conceivable on the periodic table?

asked Feb 12, 2023 in Atomic Number by Doall

+6 votes

0 answers

How many neutrons are in an atom of Mg-25?

asked Feb 12, 2023 in Atomic Number by colmac2000

+117 votes

0 answers

What are the differences between atomic number, mass number and net charge?

asked Feb 11, 2023 in Atomic Number by ecochris

+886 votes

0 answers

Is there a way to calculate the properties of an unexisting/undiscovered element based on its atom number? For example, what properties would element 200 have?

asked Feb 11, 2023 in Atomic Number by yearjackstay

+11 votes

0 answers

What is the maximum number of coplanar atoms in propadiene?

asked Feb 11, 2023 in Atomic Number by sawless

+89 votes

0 answers

What do white boxes of elements with atomic numbers 113 and 115 show?

asked Feb 11, 2023 in Atomic Number by winterdiy

+249 votes

0 answers

Which element has the lowest atomic number and which one has the highest atomic number?

asked Feb 11, 2023 in Atomic Number by NebulaMystic

+18 votes

0 answers

Why does Argon have an atomic mass number of 40 but its atomic number is only 18?

asked Feb 11, 2023 in Atomic Number by Mountaindreamer

+210 votes

0 answers

An atom Y has atomic number 15. It accepts three electrons in order to become stable. What is the number of protons and electrons of the atom?

asked Feb 10, 2023 in Atomic Number by drive

+1 vote

0 answers

What are some examples of an element with a high relative atomic mass but low atomic number?

asked Feb 10, 2023 in Atomic Number by Willy Duwitt

+4 votes

0 answers

How would I make a 3D atom model of potassium, I got assigned that element and I'm not sure how I would do it, since its a rather large atomic number and it would be a whole bunch of balls, could someone give me recommendations?

asked Feb 10, 2023 in Atomic Number by G Brown

+169 votes

0 answers

What is the atomic number of aluminum foil?

asked Feb 10, 2023 in Atomic Number by minibusbefitting

+7 votes

0 answers

Is there an agreed upon atomic number range in the periodic table where an "island of stability" might exist? Does this imply those theoretical elements would not be radioactive?

asked Feb 10, 2023 in Atomic Number by RadiantHorizon

+1 vote

0 answers

What is the formal charge on the nitrogen atom in numbers?

asked Feb 10, 2023 in Atomic Number by NovaSeeker

+17 votes

0 answers

What is the most stable isotope of hydrogen? What is its mass number and atomic number?

asked Feb 10, 2023 in Atomic Number by tomatoehead

+144 votes

0 answers

Do all elements with an even atomic number have a stable nucleus? Do all elements with an odd atomic number have an unstable nucleus?

asked Jan 20, 2023 in Atomic Number by MysticVerse

+123 votes

0 answers

What part of the atom can be used to identify it?

asked Jan 20, 2023 in Atomic Number by CrystalAlchemy

+206 votes

0 answers

An element has an atomic number 9. To which periods does it belong?

asked Jan 20, 2023 in Atomic Number by EmberHorizon

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