In Group 1A, these are the alkali metals. In Group II, these are the alkaline earth metals. In Groups IIIB, IVB, VB, VB, VIB, VIIB, VIII, IB, and IIB, these are the tranition metals. Group VA, these are the pnictogens. They take their name from the Greek word, pnictein, "to choke" or "to suffocate." Group VIA are the chalcogens. They take their name from the Greek, meaning bronze-formers. The sulfides, selenides and tellurides of the transition metals glisten like metals. Group VIIA are the halogens, "salt-formers:" fluorides, chlorides, bromides, iodides.
2007-10-28 10:28:40
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answer #1
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answered by steve_geo1 7
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1. The short hand name for each element is called the ________for that element. 2. In each square for each element there are usually two numbers. The smaller whole number is called the _mass number_. It allow the user of the periodic table to determine the number of _protons_ and _neutrons__in an atom of that element. 3.the larger number in each square is called the atomic number. knowing this, number and the number of protons, the user of the table can find the number _electrons_ in an atom of that element. 4.the ____________ increases uniformly by _________unit per element from left to right through a period. 5.With few exceptions the ________________ also increses from left to right through a period. 6. Group 17 is referred to as the __________ family. 7. The __________________________make up group 18. i knew a few but im from england and i havent done some of this yet and we use only 8 groups hope it goes alright for you.
2016-05-25 22:40:43
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answer #2
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answered by ? 3
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