Periodic Table
This German developed the early version of the Periodic Table
Who is Dimitri Mendeleev?
What does the atomic number of an element represent?
The number of Protons
What increases by 1 as you read from left to right across a period?
Atomic Number
Alkali metals are so soft that a _______ can cut them.
What is a knife.
Mercury is a metal that is a _____ at room temperature.
What is liquid?
What property shows a repeating pattern in the Periodic Table?
Melting point
What does a row in the Periodic Table represent?
What is a period?
How are elements arranged in the modern Periodic Table?
By atomic number
What is the term for the ability of a metal to be rolled into sheets?
What is Malleability
Physical properties of metals within the same group tend to ______ as you move down the group.
What is increase?
What does the Periodic Table's element key include?
Chemical symbol, atomic number, atomic mass
Atomic number equals these two atoms.
What are protons and electrons?
How does atomic mass influence element placement in the Periodic Table?
Affects element's row position
Alkaline Earth metals have ______ densities compared to Alkali metals.
What is Greater?
What is the significance of the 'periodic' nature in the Periodic Table?
Shows repeating patterns of properties
What is a group in the Periodic Table?
A column on the Periodic Table
Get your textbook out and turn to the periodic table. How many neutrons does Xenon have?
what is 77?
Which property follows a periodic pattern along with melting point?
Boiling point
Copper is a good example of a metal with high _______.
What is Ductility
A melting point, boiling point, and reactivity show a _______ across the Periodic table.
What is a pattern?
What do elements in the same group have in common?
Similar chemical properties
How can you find the number of neutrons in an element?
Subtract Atomic Mass from Atomic Number
Chemical properties tend to be similar within elements of the same ______ on the periodic table.
What is Group
Which group of metals makes good building materials due to resistance to corrosion?
What is transition metals
Alkaline Earth metals are known for reacting and forming ________.
What is compounds?