Stability In Bonding Answer Key
Question: The properties of a compound are _____ the properties of the elements that make up the compound
Answer: different from
Question: Na and Cl are chemical
Answer: symbols
Question: NaCl and NaOH are chemical
Answer: formulas
Question: in the formula H20 the number 2 is a
Answer: subscript
Question: The number 2 in the formula H20 tells you that each unit of this compound contains 2
Answer: hydrogen
Question: if a symbol in a chemical formula does not have a subscript after it, a unit of that compound contains
Answer: one atom
Question: the total number of atoms in Fe2O3 is
Answer: five
Question: there are ___ different elements in H2SO4
Answer: three
Question: an atom is chemically stable if its outer energy level __________ electrons
Answer: is filled with
Question: for atoms of the most noble gases and the most other elements , the outer energy level is full when it has______ electrons
Answer: eight