Chemisty Flashcards
1
Q
What is an element?
A
Substance made from atoms
2
Q
What is an atom?
A
Smallest particle of an element
3
Q
What is a compound?
A
Two or more different elements chemically joined together
4
Q
What is an ion?
A
An electrically charged particle
5
Q
How is an ion formed?
A
It’s formed when an atom or group of atoms lose or gain electrons
6
Q
How many electrons can go on the first shell in an elements structure
A
Two
7
Q
How many electrons can go on the second shell?
A
8
