Atoms Flashcards
1
Q
What are elements?
A
A pure substance that cannot be broken down into other substances. Elements are made of only one atom.
2
Q
What is an atom?
A
Atoms make up elements. Each element has its own atoms.
3
Q
What is the structure of an atom?
A
an atom is made up of a nucleus full of protons and neutrons. Surrounding the nucleus there are rings called shells. These shells are where the electrons are.
4
Q
The atomic number of an element is the same number as…
a) electrons and neutrons
b) protons and electrons
c) neutrons
A
b) protons and electrons
5
Q
What is the shell configuration?
A
2,8,8,2
6
Q
How do you find the number of neutrons in a element?
A
Number of neutrons = mass of element - number of protons
