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