250cm3 i think im not sure about it though
Your answer to this question is 1.20 times 1024 atoms
Most atoms have three different subatomic particles inside them: protons, neutrons, and electrons. The protons and neutrons are packed together into the center of the atom(which is called the nucleus) and the electrons, which are very much smaller, whizz around the outside. Most of an atom is empty space.
I hope this helps you! :D
Answer:
Group 1
Explanation: because the compound has a formula of M2O , the number of valence electrons of M should be 1.
A triple beam balance is used to measure mass