C2-Elements, Atoms and Compounds Flashcards
1
Q
What is the chemical formula of water (how many atoms for the different element)?
A
Two hydrogen atoms and one oxygen atom.
2
Q
How do you create a compound?
A
By combining two elements e.g. sodium (element)+chlorine (element)=sodium chloride (compound).
3
Q
What is an atom?
A
An atom is the smallest part of an element that can exist.
