Fundamental Ideas Flashcards
How do you find out the number of electrons in an element
Its atomic number
How do you find out the number of neutrons in an element
Its mass number take away its atomic number
What is the charge of a neutron
Neutral
What is the mass of an electron
Very small
What is the charge of an electron
Negative 1
Where do you find protons
In the nucleus of an atom
Where do you find neutrons
In the nucleus of an atom
Where do you find the electrons
In energy shells
What is the definition of a compound
A substance made up of two or more types of atoms that are chemically bonded together
What is the definition of an element
A substance made up of one type of atom
What is the mass of a proton
1
How do you find the number of protons in an element
Its atomic number
What is the charge of a proton
Positive 1
What does the nucleus contain
Protons and neutrons
What charge does the nucleus have and why
Positive charge
Protons - positively charges
Neutrons - neutral