Transition elements are the elements in groups ?
3-12
What are the properties of metal?
Luster,Malleability, and Conductivity.
What is used to arrange the elements in the Periodic Table?
Atomic Mass
An outermost electron of an atom that participates in chemical bonding is a_____
Valence electrons
I am colorless and odorless gas. What am I?
Oxygen.
What are the rows in the Periodic Table called?
Periods
How many bonds and valence electrons does Helium have?
0
What is used to tell how many bonds an atom can form?
Number of Electrons
When was Mendeleev's version of the Periodic Table published?
1869
Most elements on the Periodic table are ___?
Metals
Which scientist came up with the concept of a periodic table>
Dmitri Mendeleev
What is oxygen's chemical symbol?
O
Which element is the most reactive out of all elements?
Polonium
Which group contains Noble gases?
Group 18
What is equal to the Atomic Number?
Number of Protons, and Number of Electrons.