Bohr’s Atom electrons in orbits nucleus What is an atom? Atom: the smallest unit of matter that retains the identity of the substance Atomic Structure Atoms are composed…
Atoms and the Periodic Table: Part 1 Atoms and the Periodic Table The Atom Ch. 4 Democritus (400 BC) Greek philosopher. All things are composed of tiny, indivisible particles:…
BELL-RINGER QUESTION Look at the periodic table of elementsâ¦. How are the elements in the periodic table like the alphabet of letters? 2.1 Section Objectives â page 35…