1.1 The Fundamental Ideas of Chemistry Flashcards
1
Q
What is an atom?
A
An atom is a single tiny particle of one element
2
Q
What are the charges of protons, neutrons and electrons?
A
Protons = +1 Neutrons = 0 Electrons = -1
3
Q
What is the overall charge of the atom?
A
None
4
Q
Where are the protons and neutrons in an atom?
A
The nucleus
5
Q
Where are the electrons in the atom?
A
In shells around the nucleus
6
Q
How many protons are there compared to the electrons in an atom?
A
Equal
7
Q
How many electrons fit in the first, second and third shell?
A
2, 8, 8
