Atoms
periodic table
elements
metals
metal chemical properties
100
nucleus
What is the center of an atom?
100
periodic table
What is an arrangement of elements showing the repeating pattern of their properties
100
helium
What is He on the periodic table
100
metal
What are elements that are good conductors of electric current and heat
100
malleable
What is a material that can be hammered or rolled into a flat sheet
200
electron
What are the negative charged particles in an atom?
200
elements
What is on the periodic table
200
oxygen
What is O on the periodic table
200
alkali metals
What are the metals in group 1
200
ductile
What is a material that can be pulled out, or drawn, into a long wire
300
proton
What are the positive charged particles in an atom?
300
Mendeleev
Who made the first periodic table
300
gold
What is Au on the periodic table
300
alkaline earth metals
What is group 2 on the periodic table
300
hermal conductivity
What is the ability of an object to transfer heat
400
neutrons
What are the no charge particles in an atom?
400
periods
What are the horizontal rows on the periodic table
400
silver
What is Ag on the periodic table
400
transition metals
What are the elements in Group 3 trough 12
400
electrical conductivity
What is the ability to transfer electric currents
500
atom
What is the smallest particle of an element?
500
groups
What are the vertical groups in the periodic table
500
tellurium
What is Te on the periodic table
500
good conductors of electric current and heat
What are metals
500
corrosion
What is the gradual wearing way of a metal due to a chemical reaction
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