BLG Semester 1 Science Review questions with correct answers

Atom CORRECT ANSWER the basic building block of matter that make up everyday objects Nucleus (atom) CORRECT ANSWER the center of an atom that contains the protons and neutrons Electron Cloud CORRECT ANSWER the area around the nucleus of an atom where electrons are found Protons CORRECT ANSWER positive charged subatomic particles found in the nucleus, identifies element Neutrons CORRECT ANSWER neutral (no charge) charged subatomic particles found in the nucleus Electrons CORRECT ANSWER negative charged subatomic particles found in the electron cloud surrounding the nucleus Valence Electrons CORRECT ANSWER the electrons on the outer shell of an atom that are involved in forming bonds (determine reactivity) Atomic Number CORRECT ANSWER the number of protons or electrons contained in an element