Periodic Blocks
Which Periodic Block does Sodium (Na) belong in?
The S block on the table.
Which of the Three Classes is Copper (Cu) in?
Copper is in the Metal Class.
What is Hydrogen's (H) Atomic Number?
Hydrogen's Atomic Number is 1.
Who was the first Chemist to Publish a system of classifying elements?
The Chemist was Dmitri Mendeleev a Russian who published in 1869.
What do Metals Readily Lose?
They readily lose Electrons to try to form cations.
Which Periodic Block does Phosphorus (P) belong too?
What class is Neon (Ne) a part of?
Neon is a part of the non-metals class.
What is Barium's (Ba) Atomic Number?
Barium's Atomic number is 56.
What did Mendeleev leave in the table for future discoveries?
How many valence electrons do Alkali Metals have?
1 Valence Electron
Which Periodic Block does Uranium (U) belong to?
Uranium belongs to the F block on the table.
Which Class is Lithium (Li) a part of?
Lithium is a part of the Metals Class.
What is Iron's (Fe) Atomic Number?
Iron's Atomic Number is 26.
What Discovery was made that Mendeleev did not think about?
The discovery of Noble gases led to Mendeleev's "table" to be rendered useless.
Can Alkaline Earth Metals be found in their pure form in nature?
No, they are too reactive.
Which Periodic block does Helium (He) belong to on the table?
Helium belongs to the S block on the table.
What class is Boron (B) in?
Boron is in the Metalloids class.
What is Germanium's (Ge) Atomic Number.
Germanium's Atomic Number is 32.
Who discovers the three new Noble gases: Krypton, Xenon, and Neon.
William Ramsay
What do Nonmetals readily gain?
They readily gain electrons to form anions.
Which Periodic Block does Rhodium (Rh) belong to?
Rhodium belongs to the D block on the table.
What class is Carbon (C) in?
Carbon is in the Non-Metals class.
What is Uranium's (U) Atomic Number?
Uranium's Atomic Number is 92.
How many Elements are naturally occuring in the Periodic Table?
92 Naturally occurring elements.
As you move downward in the periodic table, what does the Reactivity do?
The Elements further down the periodic table are more reactive.