Chemistry Flashcards
1
Q
Atom
A
An atom is the smallest particle that can ever exists also everything on earth is made of atoms
2
Q
Nucleus
A
The nucleus is the center of an atom and has all the protons and neutrons
3
Q
Atomic number
A
The atomic number tells you the number of protons in the nucleus of an atom (it is the number below the elements name)
4
Q
Mass number
A
The mass number tells you the amount of protons and neutrons there are in a nucleus (it is the number above the elements name)
5
Q
Proton
A
A proton has a positive charge
6
Q
Neutron
A
A neutron has a neutral charge
7
Q
Electron
A
An electron has a negative charge
