Lesson 4: Subatomic Particles Flashcards
(9 cards)
1
Q
the mass of an atom is solely due to the mass of the ______ and the ______
A
proton and neutron
2
Q
the protons and neutrons are referred to as the
A
nucleons
3
Q
the nucleons, tightly packed together, form something called the
A
nucleus
4
Q
____s are formed when the number of protons is not equal to the number of electrons
A
ions
5
Q
mass number formula
A
protons + neutrons
6
Q
what is the charge of an ion formula
A
protons - electrons
7
Q
negatively charged ion is called
A
anion
8
Q
positively charged ion is called
A
cation
9
Q
same atomic number but different atomic mass
A
isotopes
