WorksheetsPhysical Science Module 19 Vocabulary
Total questions: 20
Worksheet time: 3600secs
Double-displacement Reaction: Choose the correct definition.
a type of chemical reaction that occurs when a substance reacts with oxygen to produce energy in the form of heat and light
reaction in which two ionic compounds in solution are combined, producing either a precipitate, water, or a gas
chemical reaction that requires energy input in the form of light, thermal energy or electricity in order to proceed
chemical reaction in which one element replaces another element in a compound
Oxidation: Choose the correct definition.
the mass in grams of one mole of a substance
chemical reaction in which one substance breaks down into two or more substances
the gain of electrons by the atoms of a substance in a chemical reaction
the loss of electrons from the atoms of a substance in a chemical reaction
Exogenic Reaction: Choose the correct definition.
chemical reaction in which two or more substances combine to form a different substance
chemical reaction that requires energy input in the form of light, thermal energy or electricity in order to proceed
chemical reaction that releases some form of energy, such as light, thermal energy, or electricity
chemical reaction that primarily releases thermal energy
In a chemical reaction, the new substance formed is called?
the mass in grams of one mole of a substance
In a chemical reaction, the new substance formed
In a chemical reaction, the substance that reacts
the gain of electrons by the atoms of a substance in a chemical reaction
What is a decomposition reaction?
chemical reaction that releases some form of energy, such as light, thermal energy, or electricity
chemical reaction that requires thermal energy input in order to proceed
chemical reaction in which one substance breaks down into two or more substances
process in which one or more substances are changed into new substances
What is a combustion reaction?
a type of chemical reaction that occurs when a substance reacts with oxygen to produce energy in the form of heat and light
chemical reaction that requires energy input in the form of light, thermal energy or electricity in order to proceed
number in a chemical equation that represents the number of units of each substance taking part in a chemical reaction
reaction in which two ionic compounds in solution are combined, producing either a precipitate, water, or a gas
Term: Chemical Reaction. What is a chemical reaction?
process in which one or more substances are changed into new substances
chemical reaction that requires thermal energy input in order to proceed
shorthand method used to describe chemical reactions using chemical formulas and other symbols
chemical reaction in which two or more substances combine to form a different substance
Term: Synthesis Reaction. What is a synthesis reaction?
process in which one or more substances are changed into new substances
chemical reaction that releases some form of energy, such as light, thermal energy, or electricity
chemical reaction in which two or more substances combine to form a different substance
chemical reaction that requires thermal energy input in order to proceed
Term: Molar Mass. What is molar mass?
the mass in grams of one mole of a substance
the amount of a substance necessary to have a positive charge
the sum of the atomic mass values of the atoms in a chemical formula
the loss of electrons from the atoms of a substance in a chemical reaction
Exothermic Reaction: What is an exothermic reaction?
chemical reaction that primarily releases thermal energy
chemical reaction that requires thermal energy input in order to proceed
chemical reaction that releases some form of energy, such as light, thermal energy, or electricity
chemical reaction in which two or more substances combine to form a different substance
Reactants: What are reactants in a chemical reaction?
the gain of electrons by the atoms of a substance in a chemical reaction
in a chemical reaction, the substance that reacts
the mass in grams of one mole of a substance
in a chemical reaction, the new substance formed
Endothermic Reaction: What is an endothermic reaction?
chemical reaction in which one substance breaks down into two or more substances
chemical reaction that requires thermal energy input in order to proceed
chemical reaction in which two or more substances combine to form a different substance
chemical reaction that primarily releases thermal energy
Balanced Chemical Equation: Choose the correct definition.
chemical reaction in which two or more substances combine to form a different substance
chemical equation with the same number of atoms of each element on both sides of the equation
chemical reaction in which one element replaces another element in a compound
chemical reaction that releases some form of energy, such as light, thermal energy, or electricity
Coefficients: Choose the correct definition.
chemical reaction that requires energy input in the form of light, thermal energy or electricity in order to proceed
number in a chemical equation that represents the number of units of each substance taking part in a chemical reaction
chemical reaction that releases some form of energy, such as light, thermal energy, or electricity
a type of chemical reaction that occurs when a substance reacts with oxygen to produce energy in the form of heat and light
Single-displacement Reaction: Choose the correct definition.
chemical reaction in which two or more substances combine to form a different substance
chemical reaction in which one element replaces another element in a compound
chemical reaction in which one substance breaks down into two or more substances
chemical reaction that requires thermal energy input in order to proceed
What is a chemical equation?
shorthand method used to describe chemical reactions using chemical formulas and other symbols
chemical reaction that releases some form of energy, such as light, thermal energy, or electricity
chemical reaction in which two or more substances combine to form a different substance
process in which one or more substances are changed into new substances
What is reduction in a chemical reaction?
the gain of electrons by the atoms of a substance in a chemical reaction
chemical reaction that requires thermal energy input in order to proceed
chemical reaction in which one substance breaks down into two or more substances
the loss of electrons from the atoms of a substance in a chemical reaction
What is a mole in chemistry?
SI unit for quantity equal to 6.022×10^23 units of that substance
Chemical reaction in which one substance breaks down into two or more substances
Number in a chemical equation that represents the number of units of each substance taking part in a chemical reaction
The mass in grams of one mole of a substance
What is an endergonic reaction?
chemical reaction that requires thermal energy input in order to proceed
chemical reaction that requires energy input in the form of light, thermal energy or electricity in order to proceed
chemical reaction in which two or more substances combine to form a different substance
chemical reaction that releases some form of energy, such as light, thermal energy, or electricity
What is a precipitate?
chemical reaction in which two or more substances combine to form a different substance
insoluble compound that is formed in a solution during a double-displacement reaction
shorthand method used to describe chemical reactions using chemical formulas and other symbols
number in a chemical equation that represents the number of units of each substance taking part in a chemical reaction
