Vocab 14 Review (Periodic Table) Question Preview (ID: 49578)


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An element in group 17 on the periodic table
a) halogen
b) noble gases
c) alkali metals
d) alkaline earth metals

The outermost electron of an atom that participates in chemical bonding
a) valence electron
b) proton
c) neutron
d) product

An element in groups 3-12 of the periodic table
a) transition elements
b) alkali metals
c) alkaline earth metal
d) noble gases

A starting substance in a chemical reaction
a) reactant
b) product
c) valence electron
d) alkaline earth metal

A substance produced during a chemical reaction
a) product
b) reactant
c) valence electron
d) exothermic reaction

An element in group 18 of the periodic table
a) noble gases
b) transition elements
c) alkali metals
d) alkaline earth metals

States that the total mass of the reactants before a chemical reaction is the same as the total mass of the products after them chemical reaction
a) law of conservation of mass
b) valence electron
c) transition elements
d) alkali metals

A chemical reaction that absorbs thermal energy
a) endothermic reaction
b) exothermic reaction
c) law of conservation of mass
d) transition element

A chemical reaction that releases thermal energy
a) Exothermic reaction
b) Endothermic reaction
c) Valence electron
d) Law of conservation of mass

An element in group 2 on the periodic table
a) Alkaline earth metals
b) Alkali metals
c) Noble gases
d) Transition elements

An element in group 1 of the periodic table
a) Alkali metals
b) Alkaline Earth Metals
c) Transition elements
d) Halogens

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