Flashcards in C1.2.1 - Atomic Structure Deck (21):
What are different elements made of?
Despite its size, do atoms have chemical properties?
How is a molecule made?
When 2 or more atoms join together
What are atom joined by to create molecules?
Attractive forces known as chemical bonds
What is an atomic radius?
Half the diameter of an atom
How do you calculate the atomic radius of an atom?
You either calculate the bond length or diameter and then half it.
What is a bond length?
The length between 2 centres of 2 atoms that are bonded together.
What is the typical length off atomic radii and bond lengths?
10 to the power of -10m
What are subatomic particles?
3 smaller particles in an atom
What are the 3 subatomic particles?
Where are the protons and neutrons in an atom?
Joined together as a nucleus as a centre
Where are the electrons in an atom?
Travelling around the outside of the nucleus in waves.
What is the nucleus?
A combination of protons and neutrons in the centre of an atom
What is the relative mass of a proton?
What is the relative charge of a neutron?
What is the relative charge of an electron?
Why do atoms have no overall charge?
Because they contain the same amount of protons and electrons which cancel each other out
What is the relative mass of protons?
What is the relative mass of neutrons?
What is the relative mass of an electron?