The atom Flashcards
Where is a proton found?
Inside the nucleus.
Where is a neutron found?
Inside the nucleus.
where is an electron found?
In energy levels outside the nucleus.
What is the mass of a proton?
One.
What is the mass of a neutron?
One.
What is the mass of an electron?
Almost zero.
What is the charge of a proton?
1+
What is the charge of a neutron?
0
What is the charge of an electron?
1-
Why are atoms neutral?
Atoms are neutral because they contain the same number of protons as electrons.
What is the atomic number equal to?
The atomic number is equal to the number of protons in the nucleus.
What is the mass number equal to?
The mass number is equal to the number of protons added to the number of neutrons.
What are the electrons arranged around?
The electrons are arranged in energy levels around the nucleus, given by the electron arrangement.
