Perodic Table And Atomic Number Flashcards
1
Q
What is a isotope
A
Isotopes are atoms of an element with the normal number of protons and electrons, but different numbers of neutrons.
2
Q
What do elements in the same group have in common
A
The same amount of electrons
3
Q
What is a group
A
A vertical column
4
Q
What is a substance made of only one kind of atom
A
Element
5
Q
Magnesium has 12 electrons. What would it be its electronic structure
A
2,8,2
