7.6 Flashcards
1
Q
What is an isotope?
A
An atom that has more or fewer neutrons in its nucleus
2
Q
What does atomic mass equal?
A
Number of protons + neutrons
3
Q
What are some examples of isotopes?
A
- Carbon-12 (6 protons; 6 neutrons)
- Carbon-13 (6 protons; 7 neutrons)
- Carbon-14 (6 protons; 8 neutrons)
4
Q
What does the average mass of isotope represent?
A
The relative atomic mass of the
element.
5
Q
What is the atomic number for?
A
To identify the element
6
Q
What are some examples of isotopes?
A
- Carbon-12 (6 protons; 6 neutrons)
- Carbon-13 (6 protons; 7 neutrons)
- Carbon-14 (6 protons; 8 neutrons)
7
Q
How is the atomic mass calculated?
A
It is the average mass of the isotopes of that element.
