Table Terms
Location, Location, Location
Groups
Period
ID the Element
100
what are the letters in the middle of an element called?
the symbol
100
where is element H located on the periodic table?
in group 1A (1), period 1
100
do groups go up and down, or side to side?
up and down
100
do periods go up and down, or side to side?
side to side
100
what element has 1 proton, electron?
hydrogen (H)
200
what two groups are extremely reactive?
group 1A (1), and 7A (17)
200
where are metalloids located at on the periodic table?
on the zigzag line, separating the metals and nonmetals
200
how many groups are there total in the periodic table?
18 groups
200
how many groups are there in the periodic table?
7 periods
200
what are the types of elements that are made up of metals and nonmetals?
metalloids
300
how is the reactivity found?
by the number of valence electrons.
300
where are alkaline earth metals found?
in group 2A (2)
300
what do elements have in common?
all have the same number of valence electrons
300
what element has 8 valence electrons with 10 electrons?
neon (Ne)
400
how are neutrons found?
by subtracting the number of protons from the mass (rounded)
400
where are transition metals found?
in group 3B (3)-12B (12)
400
what group contains all gases, and what type of gases are they?
group 8A (18) noble gasses
400
what period contains 2 elements, and what are the elements?
period 1 hydrogen (H), and Helium (He)
400
what elements have chemical properties in common with oxygen?
Sulfur (S), Selenium (Se), Tellurium (Te), and Polonium (Po)
500
what does the atomic number represent?
the number of protons and electrons
500
what increases as you go down the line?
the mass, and atomic number
500
what group contains only one metal?
group 5A (15)
500
what period contains all metals?
period 7
500
what element has 26 neutrons?
titanium (Ti)
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