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Parts of an Atom
Atomic Masses
What is Matter?
Atomic Numbers
100
The inner part of an atom that contains the proton and the neutron is called the __________.
Nucleus
100
If an atom was enlarged so the electrons were spinning around the stands of a football stadium, how big would the nucleus be?
marble
100
This is anything that takes up space (has a mass).
matter
100
Atomic numbers of an atom are the same as the number of what in an atom?
protons
200
These particles have a positive charge and are found inside the nucleus.
proton
200
Atomic masses are measured in what?
AMU
200
The smallest pieces of matter are called __________.
atoms
200
Carbon's atomic number is _______.
6
300
These particles are located within the nucleus, and have no charge.
Neutron
300
A proton has the atomic mass of what?
1
300
What type of particle holds the protons and neutrons together in the nucleus?
mesons
300
What element has a number of 56?
barium
400
These particles are negatively charge and are found outside the nucleus.
electrons
400
A neutron has the atomic mass of what?
1
400
Up, Down, Strange, Charm, top and bottom are all names for what type of particle?
quarks
400
Why does hydrogen have an atomic number of 1?
because it only has one proton
500
Most of the mass of an atom is located here.
nucleus
500
An electron has a mass of what?
1/1836
500
What type of particle are quarks held together by?
gluons
500
Some atoms have more ___________, which makes it an isotope and gives it a negative charge
electrons