Chemical Reactions And Physical Changes: Question Preview (ID: 32504)


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Attractive force between atoms:
a) chemical bond
b) product
c) reactant
d) atomic number

Material created when metal and nonmetal share electrons:
a) ionic compound
b) covalent compound
c) product
d) reactant

The atomic core:
a) nucleus
b) ion
c) electron
d) reactant

Particle having a positive or negative charge:
a) ion
b) proton
c) electron
d) neutron

Change of a substance's chemical composition:
a) Physical Change
b) Chemical Reaction
c) Chemical Equation
d) Mass Number

Sharing of electrons among atoms (two nonmetals):
a) covalent bond
b) ionic bond
c) chemical equation
d) mass number

Variable, uncharged subatomic particle:
a) proton
b) ion
c) electron
d) neutron

This identifies the element; equals the number of protons in its atoms:
a) mass number
b) physical change
c) atomic number
d) pure substance

Alteration that affects visible qualities, but not chemical composition:
a) Physical Change
b) Chemical Reaction
c) Ionic Compound
d) Covalent Compound

Element or compound that results from a chemical reaction:
a) reactant
b) product
c) electron
d) proton

Subatomic particle responsible for initiating chemical reactions:
a) electron
b) proton
c) neutron
d) filament

Symbolic expression of a reaction between elements or compounds:
a) chemical equation
b) formula
c) symbol
d) chemical bond

Material created when nonmetals share electrons:
a) covalent compound
b) ionic compound
c) mass number
d) atomic number

Attraction that results from electron transfer between atoms (metal and nonmetal):
a) ionic bond
b) covalent bond
c) strong bond
d) weak bond

Arrangement of elements by atomic number and properties:
a) periodic table
b) mass number
c) atomic number
d) kitchen table

Total protons and neutrons in a particular atom's nucleus:
a) mass number
b) atomic number
c) negative number
d) prime number

Positively charge particle that gives an atom its identity:
a) proton
b) neutron
c) electron
d) ion

Element or compound that interacts to cause a chemical change:
a) reactant
b) product
c) proton
d) neutron

Classification of matter includes:
a) chemical and physical
b) pure substances and mixtures
c) elements and compounds
d) heterogeneous and homogeneous

What does the compound NaCl represent?
a) table salt
b) table sugar
c) aspartame
d) caffeine

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