Atoms
Elements
Periodic Table
Metals
Random
100
the center of an atom
What is the nucleus?
100
H is the chemical symbol for this element...
What is hydrogen?
100
elements are organized by this number
What is atomic number?
100
the property that describes how a metal can be pulled or drawn into a wire
What is ductile?
100
the smallest particle of an element
What is an atom?
200
particle with a positive charge found in the nucleus
What is a proton?
200
The symbol for nitrogen
What is N?
200
horizontal rows of elements
What is a period?
200
the ability to transfer heat or electricity to another object
What is conductivity?
200
H2O and CO2 are ...
What are compounds? OR What are chemical formulas?
300
a particle located in the nucleus with a neutral charge
What is a neutron?
300
the symbol for helium
What is He?
300
vertical columns of elements
What is a group or family?
300
a measure of how easily an element combines with other elements and compounds
What is reactivity?
300
the chemical symbol for carbon
What is C?
400
a negatively charged particle found outside the nucleus
What is an electron?
400
this property of metals led to the use of plastic or wood handles on many cooking utensils
What is conductivity?
400
all elements are either metals, nonmetals, or ...
What are metalloids?
400
metals that can change the number of electrons in their outer shell
What are transition metals?
400
the sum of protons and neutrons in an atom's nucleus
What is mass number?
500
the unique number of protons in an element's nucleus
What is atomic number?
500
a pure substance made up of only one kind of atom
What is an element?
500
lacks most of the properties of a metal
What is a nonmetal?
500
the ability to be hammered or rolled into flat sheets and other shapes
What is malleable?
500
atoms with the same number of protons and a different number of neutrons like Carbon - 12 and Carbon - 14
What is an isotope?
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