What is an element: Simple substances that can not be broken down into simpler substances. What is an atom: smallest part of an element that can be identified as an element. How do you right a chemical symbol: If it is one letter capitalize it, if there are two letters capitalize the first letter but not the second. Malleable- metals that can be hammered into thin sheets like aluminum foil. Ductile- metals that can be …showed first 75 words of 269 total…

…showed last 75 words of 269 total…What happens to an electron if it looses or gains energy: As it looses energy it will drop to an energy level closer to the nucleus but as it gains energy it will move to an energy level away from the nucleus. How do you figure out the atomic mass: Do isotopes have different atomic masses or atomic numbers: atomic mass. 1st energy level holds 2 electrons 2nd holds 8. Mass number – atomic number = number of neutrons