Chapter 1 Terms.txt
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Chapter 1 Terms.txt
Chapter 1 Chemistry Terms
What are the Alkali Metals?
Those in Group IA except Hydroden
What are the Alkali Earth Metals?
Those in Group IIA
What is analytical chemistry?
Anyalytical chemisty involces finding which elements or compounds are present in a sample or how much of each is present.
What is biochemistry?
Biochemistry deals with the chemistry of living things.
What is a chemical change?
A chemical change is a change in the composition or stucture of a substance. Also called a chemical reaction.
What is a chemical property?
A chemical property is the characteristic way a substance can react to produce other substances.
What is chemistry?
Chemistry is the study of the interaction of matter and energy and the changes that matter undergoes.
What are the coinage metals?
Elements in group 1B (11). Copper, gold, silver.
What is a compound?
A compound is s a chemical combination of elements that has its own set of properties.
What is a definite composition?
The given ratio by mass of each element in a compound to any other element in the compound. All parts of the compound are the same. Like water is 88.8% oxygen and 11.2% hydrogen by mass.
What does it mean to disolve something?
Disolve means to go into solution making a homogenous mixture.
What does ductile mean?
Ductile means can be drawn into wire.
What are elements?
Elements are the simplest form of matter and cannot be broken down chemically into simpler, stable substances.
What is energy?
Energy is the capcity to do work.
What is an extensive property?
A charactaristic that depends on the quantity of the sample
What is a family?
A family is also known as a group of chemicals that have similar chemical properties, which change gradually from each one to the one below it in the periodic table of elements.
What is a formula?
A combination of symbols and subscripts that identifies the composition of an element, compound or ion.
What is a group?
A family or group of chemicals listed vertically in the periodic table. The chemicals have similar chemical properties, which change gradually from each one to the one below it.
What is are the halogens?
Halogens are elements in group VIIA. The term "halogen" means "salt-former" and compounds containing halogens are called "salts".