Chapter 29 - Atomic Structure Flashcards
1
Q
What is the charge and the mass of a proton?
A
A proton has a positive charge. Its mass is 1amu.
2
Q
What is the charge and the mass of a neutron?
A
A neutron has a neutral charge and a mass of 1amu.
3
Q
What is the charge and the mass of an electron?
A
An electron has a negative charge and a mass of 1/1840amu.
4
Q
What is the atomic number of an atom?
A
It tells us the amount of protons and electrons the atom has.
5
Q
What is the mass number of an atom?
A
The number of protons and neutrons the atom has in its nucleus.
6
Q
How can you calculate the number of neutrons an atom has?
A
Mass number - Atomic number
7
Q
What is an atom?
A
The smallest particle of an element which still retains the properties of the element.
