Module 2: Foundations in Chemistry Flashcards
1
Q
What are isotopes?
A
Atoms of the same element with different numbers of neutrons and different masses
2
Q
Charge of a proton? (relative to a neutron)
A
+1
3
Q
Charge of a neutron?
A
0
4
Q
Charge of an electron? (relative to a neutron)
A
-1
5
Q
What is relative isotopic mass?
A
Mass of isotope of element compared to 1/12th mass of carbon-12
6
Q
Define relative atomic mass
A
Weighted mean mass per atom of an element compared to 1/12th the mass of carbon-12
