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Page 472 And Page 492 Vocabulary
Test Description: Vocab
Instructions: Answer all questions to get your test result.
1) an atom that has gained or lost electrons
A
eon
B
ion
C
product
D
molecule
2) a COVALENT bond where the ELECTRONS 'spend more time' with the atom having the greater number of PROTONS
A
equator
B
sodium
C
chemical
D
polar
3) a _____________ is the name of a compound that is only used for atoms that are bonding COVALENTLY.
A
ion
B
ionic pole
C
reactant
D
molecule
4) A __________________ is a process that produces a chemical change.
A
covalent bond
B
chemical formula
C
reactant
D
chemical reaction
5) The substances that form as a result of the reaction are called _________________.
A
reactants
B
ions
C
products
D
isotopes
6) When a positive ion and a negative ion are strongly attracted to each other, the result is a(n) _____________________.
A
ionic bond
B
molecule
C
explosion
D
ion
7) 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
chemical formula
B
chemical bond
C
polar bond
D
non-polar bond
8) When two identical atoms covalently bond, the molecule is called ________________.
A
ionic
B
diatomic
C
2x
D
bipolar
9) A chemical reaction where thermal energy (heat) is going to be ABSORBED is called ______________________
A
polar
B
hot
C
semi-thermic
D
endothermic
10) The substances (atoms) that exist BEFORE the reaction begins are called ___________________.
A
resultants
B
reactants
C
molecules
D
ingredients
11) 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 product
C
the chemical equation
D
the recipe
12) The 'magic number' for stability is
A
8
B
7
C
infinite
D
non-existent
13) Drawing arrows showing electron transfer is part of _______________ bonding.
A
cooperative
B
ionic
C
ionospheric
D
covalent
14) Polar covalent means _________
A
electrons are pulled more to one of the atoms in the bond
B
the atoms combine to form cold compounds
C
electrons jump out of the atom
D
electrons move into the nucleus
*select an answer for all questions
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