Scientists
Who discovered the Radium?
Marie Curie and Pierre Curie.
Which is the formula of water?
H2O
What's the name of this element?
"N"
Nitrogen.
When did the First Chemical Revolution began?
1770-1790
What is the maximum number of valence electrons that you can have in an orbital?
8 ve-
Which is the formula of Carbon Dioxide?
CO2
How many elements are in the periodic table?
118
What did Lavoisier discovered?
He determined that oxygen was a key subtance in combustion.
What is the ve- for Al?
3 ve-
Which is the formula you need to make Sulfur Dioxide?
SO2
Atomic number of oxygen
8
Which are the levels of the Bohr's Model?
1=2 2=8 3=18 4=32 5=32 6=18 7=8
What is the ve- for Li?
3 ve-
Marie-Anne Pierrette Paulze was known as "The Mother of Modern Chemistry", why?
Her husband, Antoine Lavoisier, and her developed the modern system of naming chemical substances and they are named "The Father and Mother of Modern Chemistry" for their emphasis on careful experimentation.
Which is the formula to form Ammonia?
NH3
What is the symbol of sodium?
Na
What is the atomic mass?
It is approximately equivalent to the number of protons and neutrons in the atom's nucleus.
What is the ve- for Ar?
8 ve-
Which elements do you need to make Methane?
1 Carbon, 4 Hydrogen
Who discovered hydrogen?
Henry Cavendish
What's the formula for the percentage of volume?
%v/v = Subtance of volume / total of volume of mixture x 100
What is the ve- for Cd?
2 ve-