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How did John Dalton describe atoms?
What did J J Thomson concluded from his measurements of charge and mass of atoms?
What was J J Thomson's model known as?
What theory did Rutherford come up with?
How did Bohr's Model add to the theory of an atom's structure?
What does the nucleus contain?
What charge does the nucleus have?
Where is almost the whole mass of the atom held?
What charge do electrons have?
What is the mass of an atom?
What is the radius of an atom
Fill in the blanks
Why do neutral atoms have no charge?
What is the mass number?
What is the atomic number?
What does a new period show in the periodic table?
How do the group numbers relate to the number of electrons on the outer shell of the atom?
Why is an atom described as stable if it has an outer shell of 8 electrons?
What are isotopes and how are they identified?
What is an ion?
What are ionic bonds formed from?
