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What is covalent bonding? And what are THREE examples of covalent bonds
Two nonmetals bonded together. Example: CO, NH, HF
What is ionic bonding? And what are THREE examples of ionic bonds?
Metal + Nonmetal bonded together. Example: NaCl, MgS, LiBr
What is the reaction formula for a chemical reaction?
Reaction Formula: A + B -------> C + D
Where are the REACTANTS in a chemical reaction? Left or Right side?
Reactants= Left side of the reaction (A + B)
Where are the PRODUCTS in a chemical reaction? Left or Right side?
Products= Right side of the reaction (C + D)
Which formula represents elements that form covalent bonds? And WHY? H2, Cl2, N2
H2, Cl2, N2, all covalent bonding.
Which formula represents elements that form ionic bonds? And WHY? O2, Br2, KMnO4
KMnO4, metals + nonmetal
Label the reactants (R) for the following reaction: MgCl2 + Li2CO3 ---> MgCO3 + 2 LiCl
Reactants: MgCl2 + Li2CO3
Label the products (P) for the following reaction: Pb + FeSO4 ---> PbSO4 + Fe
Products: PbSO4 + Fe
Label the reactants (R) for the following reaction: CaCO3 ---> CaO + CO2
Reactants: CaCO3
Do Ionic bonds SHARE or TRANSFER electrons?
Ionic bonds TRANSFER electrons.
What is the octet rule?
Atoms form compounds to give them eight valence electrons.
What oxidation number does calcium have?
+2
What is the chemical name for Pb2S4?
Lead (IV) Sulfide
What is the chemical formula for Magnesium Oxide?
MgO
What is the chemical name for KBr?
Potassium Bromide
