3 PeriodsElements in periods are not similar. They are just in order of atomic number.The only similarity between these elements is that they increase by one proton as you go from left to right across the period.
5 GroupsThey have similar characteristics in many ways. If you know something about one element in that group, the others are close to the same.They have the same or close to the same numbers of valence electrons. This means they bond with the same elements.
6 Parts of the Periodic Table = Metal= Nonmetal= MetalloidThere are three main groups in the periodic table: 1) metals, 2) nonmetals, and 3) metalloids.
7 The Metal GroupMost of the elements in the periodic table are metalsChemists classify an element as a metal based on physical properties such as hardness, shininess, malleability, and ductilityA malleable material is one that can be pounded into shapesA ductile material is one that can be pulled out, or drawn into a long wireMost metals are good conductors because they transmit heat and electricity easilySeveral elements in this group can be made into magnetsTheir reactivity varies as you go from left to right. The far left metals are very reactive while the far right metals are very unreactive.
8 The Transitional Metals Transitional metals form a bridge between very reactive metals on the left side of the periodic table and the less reactive metals and elements on the right side of the periodic tableTransition metals are similar to one anotherMost transition metals are hard and shinyThey are fairly stable metals and are good conductors of electricity
9 The Nonmetal GroupNonmetals are the elements that lack most of the properties of metalsThere are 17 nonmetalsMany of the nonmetals are very common elements and extremely important to all living things on earthMany nonmetal elements are gases at room temperature and have low boiling pointsThe physical properties of nonmetals are opposite to those that characterize metalsThey are dull, not malleable or ductile, poor conductors, and when in solid form, brittle.
10 The Metalloid GroupOn the border between metals and nonmetals are seven elements called metalloidsMetalloids have some characteristics of metals and some characteristics of nonmetalsThe most useful property of metalloids is their varying ability to conduct electricityWhether or not a metalloid conducts electricity is dependent upon temperature and exposure to lightNonmetals are also used to make semiconductors which are substances that under some conditions cannot carry electricity
11 Practice!You have 4 cards. Each one says either metal, metalloid, nonmetal, or transitional metalEach slide will contain a different element, you need to look and figure out which group it belongs to!