CHEM 1015 Chapter 1: Chapter 1 Video Lecture/Textbook Notes
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Textbook notes: chemistry- study of matter (anything that has mass and occupies space). The subshell with the higher (n+1) has the higher energy. A= m1p1 + m2p2 + : facts about nuclides: Atomic number z = # of protons. Mass number a = # of protons + # of neutrons. A set of guidelines during experimentation; ensures quality and integrity of new findings. The type, number, and arrangement of subatomic particles determine the properties of atoms; determine the properties of everything we see, touch, smell, & taste. *protons, electrons, and neutrons: sketch a picture of an atom, labeling the nucleus, understand that opposite charges cancel one another. Alkali metals (group 1a), alkaline earth metals (group 2a), chalcogens (group 6a), Main group elements include groups 1a and 2a on the left, 3a-8a on the right. Transition elements are those in the middle section, with b group designations: define isotope.
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