Elements Flashcards
1
Q
What is an element?
A
A substrate made up of atoms that all have the same number of protons in their nucleus
2
Q
What are atoms of each element represented by?
A
Chemical symbols
3
Q
What is a diatomic element?
A
Elements that consist of 2 similar atoms covalently bonded together in its natural state
4
Q
What are the 8 diatomic elements?
A
- Hydrogen
- Nitrogen
- Oxygen
- Fluorine
- Chlorine
- Bromine
- Iodine
- Astatine
5
Q
What is an isotope?
A
Different forms of an element with the same number of protons but a different number of neutrons
6
Q
What do isotopes use instead of a mass number?
A
Relative atomic mass number
7
Q
How do you calculate realtive atomic mass?
A
( isotope isotope mass )
sum of (abundance x number )
————————————————————–
sum of abundance of all isotopes
