What are the linear particles in an atom called?
What are isotopes?
Which physicist and their students discovered the nucleus of an atom?
How are atoms perceived as to be like before the discovery of the nucleus?
What is the atomic number of an atom equal to?
What is the mass number of an atom equal to?
What does an atom become when an electron is added or removed from it's outer shell?
“When ions have the same type of charge they _____ each other, whereas oppositely charged ions _______.”
What is the difference between an isotope and an element?
Why is it that isotopes have a different atomic mass number but are of the same element?