periodic table
atoms
elements
material capabilities
100
What is the horizontal lines called in the periodic table.
What is periods
100
what are the positive charged particles called
What is protons
100
what family is group 17
What is halogens
100
what is it called when a material can reflect light.
What is luster
200
What are the two names for vertical lines in the periodic table.
What is groups and families
200
what are particles with no electrical charged particles called.
What is neutron
200
who created and observed the periodic table.
Who is mendeleev
200
what is it called when a material can easily transmit energy.
What is conductive
300
what are the two bottom rows beneath the periodic table called.
What is lanthanides and actinides or inner transition metals.
300
the center of an atom is called
What is nucleus
300
(blank) has properties of metals and properties of non metals
What is semimetals
300
when there is gradual wearing away due to a chemical reaction.
What is corrosion
400
what is the largest element on the periodic table.
What is metals
400
Atoms that have a different number of the nuetrons
What is isotope
400
elements with and atomic number more than 92 are called what.
What is synthetic elements
400
when a material is able to be pulled into a wire what is that called
What is ductile
500
Group two on the periodic table are what
What is the alkaline earth metals
500
the (blank) number is the number of protons in the nucleus of an atom.
What is atomic
500
the ease and speed which and element reacts with other elements.
What is reactivity
500
when a element is (blank) it can be ruled into flat sheets.
What is malleable
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