MENDELEV!
(Triple Points)
(Triple Points)
What are the 3 pieces of information found on an element's card on a periodic table?
Atomic Number, Chemical Symbol, Atomic Mass
An arrangement of elements showing the repeating pattern of their properties.
periodic table
What does AMU mean?
To find the pattern between elements, what 3 things did Mendelev write?
Each element's melting point, density, and color.
The average mass of all the isotopes of the element.
atomic mass
Elements in a column form a
group
What is the atomic number of HYDROGEN?
THE ATOMIC NUMBER OF HYDROGEN IS 1
Mendelev lined up the elements to form their own ________________.
group
An abbreviation of an element's name.
Chemical Symbol
An elements properties can be predicted from it _____________ in the periodic table.
location
Ca
Increasing atomic mass
The primary particles affecting an atom's mass
protons and neutrons
What does the word periodic mean?
repeated pattern
What element would share similar properties with Helium ( He ) and why?
Answers vary. Neon, Krypton, Argon, Xenon, Radon, Unnoctium.
What year did Mendelev create the first version of the periodic table?
1869
The number of _______________ in an atom determine the atomic number
protons
How many groups are in the modern periodic table?
18 !
What are the three types of elements?
Metals, nonmetals, and metalloids