Atomic Structure and Matter misconceptions

• Atoms are alive or “tiny particles of life”

• Atoms can be seen under a normal microscope

• All molecules are visible

• Molecules are solid particles at all times

• Electrons orbit the nucleus like planets

• Protons and neutrons can change into each other in normal reactions

• Metals “give away” electrons easily to form stable atoms

• All gases are the same; they have no mass

• Air is empty space

• Atomic number and mass number are often confused

• The bigger the atom, the heavier the element

• Electrons are transferred as whole particles only

• Isotopes have different chemical properties

Multiple choice questions