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Atoms
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Elements
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100
the smallest particle of an element
What is an atom?
100
the total number of protons and neutrons
What is the mass number?
100
the element found in toothpaste
What is flourine?
100
shininess
What is luster?
100
the destruction of metal
What is corrosion?
200
the center of an atom
What is the nucleus?
200
the unique number of protons in an atom's nucleus
What is atomic number?
200
the element we use in balloons
What is helium?
200
the ability to transfer heat or electricity
What is conductivity?
200
the building blocks of matter
What are elements?
300
a positively charged particle in the nucleus of an atom
What is a proton?
300
horizontal rows of elements
What are periods?
300
element used in batteries
What is lithium?
300
the ability to be flattened or hammered into this sheets
What is malleability?
300
everything around you that has mass and takes up space
What is matter?
400
a negatively charged particle that travels around the nucleus of an atom
What is an electron?
400
vertical columns of elements
What are groups or families?
400
two elements found in CO2
What is carbon and oxygen?
400
a material that can be pulled or drawn into a long wire
What is ductility?
400
elements are arranged on the periodic table according to the number of _________
What are protons?
500
atoms with the same number of protons and a different number of neutrons
What is an isotope?
500
3 groups of elements are metals, nonmetals, and ...
What are metalloids?
500
the family of elements that are stable
What are the noble gases?
500
the ease and speed with which an element combines or reacts with other elements and compounds
What is reactivity?
500
the most reactive group of metals on the periodic table
What are the alkali metals?