Chap. 5 Flashcards
The law that states that the repeating chemical and physical properties of elements change periodically with the atomic number of the element
Periodic law
Describe something that occurs or repeats regular intervals
Periodic
In chemistry a horizontal row of elements periodic table
Period
Vertical column of elements in the period table elements in a group share chemical properties
group
One of the elements of group one of the period table lithium sodium potassium rubidium the Cesium and francium
Alkali metal
One of the elements of group 2 of the periodic table beryllium magnesium calcium strontium barium and radium
Alkaline earth metal
One of the elements of group 17 of the periodic table Florentine chloride and bromide iodide and astatine time halogens combined with most metals to form salt
Halogen
One of the elements of group 18 and periodic table helium neon argon krypton xenon and radon on noble gases are on the reactive
Noble gases