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Stegall-Chem #9

Chemical Bonding

QuestionAnswer
Valence Electrons? Electrons in the outermost shell energy level of any atom.
Periodic Table Groups? Columns - top to bottom
Atoms with the same # of valence electrons also have... ...similar properties.
Ion? An atom with an electrical charge.
Cation? A positively charged ion.
Anion? A negatively charged ion.
How does an atom become a Cation? It loses one or more electrons (negative charges.)
How does an atom become an Anion? It gains one or more electrons (negative charges.)
Which elements' atoms tend to become Cations? Those with 4 or less Valence electrons.
What elements' atoms tend to become Anions? Those elements with 4 or more Valence electrons.
What type of elements tend to become Cations? Metals
What type of elements tend to become Anions? Non-metals & Noble Gases.
What type of elements form Ionic Compounds? Metals + Non-metals
What is a Polyatomic Ion? Atoms of 2 or more elements held together (bonded) by the attraction of positive & negative charges on an atomic level with an overall electrical charge.
What does the prefix "poly" mean? many
What is an Ionic Compound? Atoms of two or more elements held together (bonded) by the attractive forces between positive and negative electrical charges. A compound made up of Cations + Anions.
What is a Molecular Compound? Atoms from two or more elements structurally held together (bonded) by the sharing of electrons.
What types of elements make Moelcular Compounds? Non-metals + Non-metals.
Covalent bond? When two atoms share a pair of electrons.
What does the prefix "co" mean? Shared between two or more. i.e. cooperation, coop, coordination.
What is a Polar Covalent Bond? Unequal sharing of a pair of electrons resulting in one atom in the compound having slightly more negative charge.
What does the Stairstep divide on the Periodic Table divide? Mostly Metals on the left from Non-metals on the right.
What is the Octet Rule? That atoms become stable when their outermost shell energy level is full with 8 electrons.
What does the prefix "oct" mean? 8
Ionic or Molecular compounds? High boiling & melting points. Ionic Compounds.
Ionic or Molecular compounds? Good conductivity of electricity. Ionic Compounds.
Ionic or Molecular compounds? Molecular Formula. Molecular Compounds.
Ionic or Molecular compounds? Metals + Non-metals. Ionic Compounds.
Ionic or Molecular compounds? State of matter - Crystalline Solids. Ionic Compounds.
Ionic or Molecular compounds? Chemical Formula - Formula Unit. Ionic Compounds.
Ionic or Molecular compounds? Bonded by shared electrons. Molecular Compounds.
Hydrocarbons? Large molecules made up of Hydrogen & Carbon, essential to life.
Alkanes? Chain of Carbons surrounded by Hydrogens.
Alkanes & Alkenes? Branching Hydrocarbons.
Alkenes? Branching Hydrocarbons with double bonded Carbons.
Arenes? Rings or groups of rings of Carbons.
Organic Chemistry? The study of compounds containing Carbon...the chemistry of living things.
Created by: kastega