NaCO2
NaCl
Na2CO3
NaHCO3
D. NaHCO3
Amelia Earhart
Bessie Coleman
Sally Ride
Valentina Tereshkova
Fyodor Dostoevsky
Leo Tolstoy
Victor Hugo
Jane Austen
Nitrous Oxide
Carbon Monoxide
Methane
Sulphur Dioxide
Neptune
Uranus
Saturn
Pluto
Gabriel Garc�a M�rquez
Jorge Luis Borges
Pablo Neruda
Mario Vargas Llosa
CO
CO2
CH4
C6H12O6
NaOH
NaCl
H2SO4
CH3COOH
F. Scott Fitzgerald
Harper Lee
George Orwell
J.K. Rowling
Oxygen
Osmium
Fluorine
Carbon
Claude Monet
Vincent van Gogh
Pablo Picasso
Salvador Dal�
Michael Faraday
James Clerk Maxwell
Albert Einstein
Isaac Newton
CaCO3
CACO3
Ca2CO3
CaCO2
Si
Ag
Sn
Sr
Au
Ag
Fe
Cu
NH3
H2O
CO2
CH4
K
P
Po
Ka
Fyodor Dostoevsky
Leo Tolstoy
Victor Hugo
Gustave Flaubert
Charles Darwin
Gregor Mendel
Albert Einstein
Isaac Newton
Venus
Mars
Mercury
Jupiter
J.D. Salinger
F. Scott Fitzgerald
Ernest Hemingway
Mark Twain
Carbon Dioxide
Nitrogen
Oxygen
Methane
George Washington
Thomas Jefferson
Abraham Lincoln
John F. Kennedy
Neil Armstrong
Buzz Aldrin
Yuri Gagarin
John Glenn
William Shakespeare
Charles Dickens
Jane Austen
F. Scott Fitzgerald
I
Fe
Ir
In
0
1
2
3
SiI
AgI
SiO
AI
C6H12O6
CH4
NaCl
C12H22O11
CH4
CO2
H2O
C6H12O6
Isaac Newton
Albert Einstein
Marie Curie
Galileo Galilei