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Periodic Times
Whats the word?
Whats the form?
Dot the spot
*LD Structure*
Cats and Onions
100
name of elements on the stairs.
What are metalloids?
100
CH4
What is carbon tetra hydride?
100
heptasulfur nonaflouride
What is S7 F9
100
HCl
What is •• H- Cl •• ••
100
Li+1 has this many electrons.
What is 2?
200
atomic radium is this.
What is distance from center of nucleus to edge of electron cloud?
200
SbBr3
What is antimony tribromide
200
monoselenium trisilicide
What is Se Si3
200
H20
What is •• H-O-H ••
200
Br-2 has this many electrons.
What is 37 electrons
300
Metalliods are made out of this.
What is have characteristics of both a metal and nonmetal?
300
PI3
What is Phosphorus?
300
manganese (II) Flouride
What is Mn F2
300
CO2
What is •• •• O=C=O •• ••
300
Be+2
What is 2 electrons
400
periodic table is organized
What is The periodic table is a way to organize the elements based on their similarities. The first version was constructed by Dmitri Mendeleev in 1869. He put the elements into a grid with increasing atomic weights and noticed the elements in each column had similar chemical properties.
400
NH3
What is ammonia?
400
Sodium dihydrogen phosphate
What is Na H2PO4
400
CF4
What is •• •• F•• •• l •• ••F-C-F•• •• l •• ••F•• ••
400
Ca+2
What is 18 electrons
500
Created the periodic table.
What is Dmitri Mendeleev
500
AgNO3
What is Silver nitrate?
500
strontium oxalate
What is Sr C2O4
500
C2H6
What is H H l l H-C-C-H l l H H
500
S-2
What is 18 electrons