Table Terms
Locations, Locations, Locations
Groups
Periods
ID The Element
100
what is reactivity?
how a element reacts to another element
100
what period is hydrogen in?
period 1
100
how are groups arranged?
by reactivity
100
which way do periods go?
horizontal (left to right)
100
what element has 8 protons?
oxygen
200
what are valence electrons?
the number of electrons on the outer shell
200
what is the number of valence electrons in group 15?
5
200
what does the group number tell you about an elements reactivity?
how many valence electrons it has
200
what do all elements in the same period have in common?
same energy levels
200
what element has a atomic mass of 40.08?
calcium
300
what is the atomic number?
the number of protons in the atom
300
what group contains Tin?
14
300
what is the name of group 17?
halogens
300
what is the number of periods?
7
300
what element has the symbol Ag?
gold
400
what is the number of valence electrons is group 16?
6
400
what period is cadmium in?
5
400
what is the name of group 18?
noble gasses
400
what happens to the valence electrons when you go to the right?
increase
400
what element is in group 10 and period 4?
nickle
500
what are the characteristics of a non metal?
brittle, low luster, gas at room temp/solid
500
what element is in group 16 and has a atomic number of 52?
tellurium
500
what is the name of group 2?
alkaline earth metals
500
what happens to the metallic property when it goes to the right?
decreasses
500
what is the most reactive metal?
francium
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