What's This Element
What element has the symbol C?
Carbon
When was the periodic table made?
1869
What are the vertical coulumns called in the periodic table?
Groups
Does the atomic mass of an element increase or decrease as you go right on the periodic table?
Increases
How many elements are there?
118 elements
What element has this atomic mass ( 1.008 amu) ?
Hydrogen
What continent did the periodic table originate from?
Asia
What are the horizontal rows called in the periodic table?
Periods
What are the most reactive elements of the periodic table?
Fluorine and Francium
How many groups are there?
18 groups
What is Neons atomic number?
10
Who made the Periodic Table?
Dmitri Mendeleev
What is the last group called on the periodic table?
Noble Gases
what are three trends in the periodic table?
Atomic Mass, Atomic Radius, Ionization Energy, Electron Affinity, Electronegativity, Reactivity, Ions, Ionic Radius, Valence Electrons.
How many periods are there in the periodic table?
7 Periods
What is Tungsten's symbol and atomic number?
Symbol - W
Atomic Number - 74
Who proposed that the elements should be arranged by atomic number?
Henry Moseley
What are the elements that are a part of period 1?
hydrogen and helium
In what set of directions does the atomic radius increase?
Left and Down
What element has the symbol Sg?
Seaborgium
What elements have these symbols ( La, U, and Ca)?
La - Lanthium
U - Uranium
Ca - Calcium
Why is Silver on the periodic table have the symbol, Ag?
The symbol Ag derives from the Latin argentum which means shiny gray stuff?
What are all of the elements in period 2?
Lithium, Beryllium, Boron, Carbon, Nitrogen, Oxygen, Fluorine, Neon
Which element has a bigger atomic radius Fluorine or Oxygen?
Oxygen
What are 4 Noble Gases?
Helium, Neon, Argon, Krypton, Xenon, Radon