Page 472 And Page 492 Vocabulary: Question Preview (ID: 17946)

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The 'magic number' for stability is
a) 8 b) infinite c) 7 d) non-existent
Drawing arrows showing electron transfer is part of _______________ bonding.
a) cooperative b) covalent c) ionic d) ionospheric
The substances (atoms) that exist BEFORE the reaction begins are called ___________________.
a) ingredients b) molecules c) reactants d) resultants
A shorthand way of representing the reactants, products, and proportions (ratios) of each substance present in a chemical reaction is called ____________________
a) the cause and effect b) the recipe c) the chemical equation d) the product
A chemical reaction where thermal energy (heat) is going to be ABSORBED is called ______________________
a) endothermic b) polar c) hot d) semi-thermic
When two identical atoms covalently bond, the molecule is called ________________.
a) bipolar b) diatomic c) 2x d) ionic
The combination of chemical symbols and numbers that shows which elements are present in a compound and how many atoms of each element are present is called a(n)
a) polar bond b) chemical bond c) non-polar bond d) chemical formula
The substances that form as a result of the reaction are called _________________.
a) products b) isotopes c) ions d) reactants
an atom that has gained or lost electrons
a) molecule b) ion c) product d) eon
a COVALENT bond where the ELECTRONS 'spend more time' with the atom having the greater number of PROTONS
a) polar b) equator c) chemical d) sodium
a _____________ is the name of a compound that is only used for atoms that are bonding COVALENTLY.
a) ion b) molecule c) ionic pole d) reactant
Polar covalent means _________
a) the atoms combine to form cold compounds b) electrons jump out of the atom c) electrons move into the nucleus d) electrons are pulled more to one of the atoms in the bond
When a positive ion and a negative ion are strongly attracted to each other, the result is a(n) _____________________.
a) molecule b) ion c) ionic bond d) explosion
A __________________ is a process that produces a chemical change.
a) reactant b) chemical formula c) covalent bond d) chemical reaction
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