Chapter 1 Terms.txt

• Those in Group IA except Hydroden
• Lithium
• Sodium
• Potasium
• Rubidium
• Cesium
• Francium

• Those in Group IIA
• Beryllium
• Magnesium
• Calcium
• Stronium
• Barium
• Radium

Anyalytical chemisty involces finding which elements or compounds are present in a sample or how much of each is present.

Biochemistry deals with the chemistry of living things.

A chemical change is a change in the composition or stucture of a substance. Also called a chemical reaction.

A chemical property is the characteristic way a substance can react to produce other substances.

Chemistry is the study of the interaction of matter and energy and the changes that matter undergoes.

Elements in group 1B (11). Copper, gold, silver.

A compound is s a chemical combination of elements that has its own set of properties.

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.

Disolve means to go into solution making a homogenous mixture.

Ductile means can be drawn into wire.

Elements are the simplest form of matter and cannot be broken down chemically into simpler, stable substances.

Energy is the capcity to do work.

A charactaristic that depends on the quantity of the sample

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.

A combination of symbols and subscripts that identifies the composition of an element, compound or ion.

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.

• Halogens are elements in group VIIA. The term "halogen" means "salt-former" and compounds containing halogens are called "salts".
• Fluorine
• Chlorine
• Bromine
• Iodine
• Astatine