Atomic structure Flashcards
as in the folder for EDEXL
1
Q
Atoms size
A
1 * 10-10M
2
Q
What determines the chemical properties
A
Achy indication is the number of electrons in the valence shell or energy state
3
Q
What is an isotope
A
Two atoms with the same number of protons but different number of neutrons are isotopes
4
Q
What is amu
A
Atomic mass units
5
Q
Ar stands for ?
A
The relative atomic mass
