C1.2 PRINCIPLES OF CHEMISTRY Flashcards
1
Q
What is the name of the particle that is found in all elements?
A
atoms.
2
Q
The molecules methane has the chemical formula CH4. Which atoms does it contain and how many of each?
A
Methane contain one carbon atom and four hydrogen atoms.
3
Q
Glucose is a molecule with the chemical formula of C4H12O6. Explain how this molecule is made up.
A
This molecules is made up of 6 carbon atoms,12 hydrogen atoms and 6 oxygen atoms.
4
Q
What is the key difference between an ion and an atom?
A
An ion is a charged particle
An atom is neutral.
