atomic structure and periodic table Flashcards
(3 cards)
1
Q
why is there no overall charge in an atom?
A
The number of protons is the same as the number of electrons.
2
Q
why is an atom with a full outer shell unreactive?
A
It doesn’t have to gain or lose any electrons, therefore, there is no need to react.
3
Q
why can you put an element with a full outer shell into a light bulb?
A
The element has a full outer shell, meaning it can not react with its surroundings and is safe for use in a light bulb.
