Identification of Elements in a compound
Symbols in a compound
Guessing Chemical Formulas
How many atoms are in the compound
100
I found a paper that said C3H8O. What are elements that make this compound?
Carbon
Hydrogen and
oxygen
100
I have hydrogen, oxygen , and chlorine in my compound. What are the symbols of each of the elements present in the compound?
H, O, Cl
100
i have one hydrogen atom and chlorine atom what would be my chemical formula
HCl
100
How many atoms are in this compound
Three
200
What are the elements present in a water molecule?
hydrogen
oxygen
200
I am a substance called calcium oxide with a formula of CaO.
a. Which elements are present in my compound?
b. How many atoms of each present in the compound?
a. Calcium and oxygen
b. 1 Calcium and 1 oxygen
200
I have one aluminum atom and three chlorine atoms which would be my chemical formula
a. AmCl3
b. AlCl3
c.Al1Cl3
b. AlCl3
200
How many atoms would be in glucose ( C6H12O6 )
24
300
Which elements are present in the chemical formula of acetone
Oxygen
Hydrogen
Carbon
300
which two elements and how many of them, are in this element?
Calcium and chlorine. 1 Calcium and 2 Chlorines
300
How many atoms are in this picture
3
300
How many Carbon atoms would be in 3 glucose molecules? ( C6H12O6 )
18
400
What elements are present in this molecule
silver
nitrogen
oxygen
400
I am hydrogen peroxide, with a chemical formula of H2O2. How many atoms of Hydrogen and Oxygen are found in this molecule?
2 Hydrogen and 2 oxygen atoms.
400
What could be a possible chemical formula for hydrogen sulfide
a. H2S
b. HS
c. HS2
a. H2S
400
How many atoms would be in methane, which has a formula of CH4
5
500
which elements are present in common table salt?
sodium and chlorine
500
TRUE OR FALSE
The first letter of every element symbol can sometimes be lowercase
False
500
I am table salt, what is my chemical formula?
NaCl
500
How many hydrogen and chlorine atoms are there in total?
5