Mass And Charges C1 Flashcards
1
Q
What is the relative mass and charge of an electron?
A
Mass = very small, (1/1850). Charge = -1
2
Q
What is the relative mass and charge of a proton?
A
Mass = 1, charge = +1
3
Q
What is the relative mass and charge of a neutron?
A
Mass = 1, charge = 0
4
Q
Atoms have an equal number of ……. and ………?
A
Protons and electrons. That is why they have no
overall charge.
5
Q
What is the proton number of an atom?
A
The atomic number
6
Q
What does the mass number of an element represent?
A
The number of protons and neutrons in an atom.
