what period and group
elements
vocabulary
valence electrons
types of metals
100
what group and period is the element boron in?
group=13 period=2
100
what is the element that has the number of 35 protons.
bromine
100
what is the periodic table organized by.
atomic number.
100
how many valence electrons does hydrogen have
1
100
what kind of metal is sodium
alkali
200
what group and period is the element iodine in?
group=17 period=5
200
what element has the number of 18 electrons.
argon
200
what does groups mean.
the similarities of valence electrons.
200
how many valence electrons does sulfur have.
6
200
thallium is what type of metal
halogen
300
what grow and period is titanium in?
group=4 period=4
300
what element has the number of 12 neutrons.
magnesium
300
where are the families located on the periodic table
up and down
300
what is the element that has the valence electrons of 7
flourine
300
boron is what type of metal
metalloid
400
what group and period is uranium.
group=7 period=7
400
what element has the number of 109 neutrons
tungsten
400
what do elements in the same period have in commom.
energy levels.
400
what element has the valence electrons of 7
rhenium
400
true or false silver is a transition metal
true
500
what element is in group 17 period 6.
astatine
500
what element has the number of 99 electrons.
einsteinium.
500
what does periodic mean?
a pattern
500
what is the valence electrons of polonium
6
500
curlem is what type of metal
actinedes.
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