Element Symbols
Element Symbols 2
Using Periodic Table
Using Periodic Table 2
Metals, Nonmetals, and Noble Gases
100
Hyrdogen
H
100
Iodine
I
100
How are elements arranged on the periodic table?
By atomic number
100
How is atomic mass determined?
The amount of protons and neutrons added together; average mass of all isotopes
100
What state of matter are most metals at room temperature?
Solid
200
U
Uranium
200
S
Sulfur
200
How is atomic mass different from atomic number?
Atomic number tells you the amount of protons; Atomic mass tells you the amount of neutrons and protons total (average number of isotopes)
200
What is a family of elements?
Elements with similar characterisitics
200
What are some properties of metals?
Solid, shiny, shape of metal can be changed, electricity and heat travel well through it
300
Zinc
Zn
300
Ba
Barium
300
Name three different ways elements are organized on the periodic table.
Atomic number, family, metals/nonmetals
300
What is the purpose of the zig zag line on the periodic table?
Separates metals and nonmetals
300
What element is non metal and makes up the largest percentage of air?
Nitrogen
400
Cu
Copper
400
Platinum
Pt
400
What is an isotope?
One group of atoms of an element with the same number of protons and electrons but different numbers of neutrons.
400
What are two common isotopes of hydrogen?
Deuterium and Tritium
400
Why are noble gases called inert?
They don't react easily to other elements.
500
Tungsten
W
500
Mn
Magnese
500
How are two isotopes of carbon, with mass numbers of 12 and 14, different from each other?
C-12 has 6 neutrons and C-14 has 8 neutrons
500
What is an alloy? Give two examples.
An alloy is two metals mixed together. Some examples are: bronze, pewter, solder, stainless steel, brass, alnico
500
Why are noble gases used in lights for signs?
They glow when electricity passes through them.
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