Atomic Structure and the Periodic Table: Interpret Chemical Formulas (DONE) Flashcards
1
Q
What is the chemical formula for hydrogen fluoride?
A
HF
2
Q
What does a chemical formula tell us?
A
A chemical formula tells us the elements in a molecule and the number of atoms of each element.
3
Q
How many atoms does an element with no numbers mean? Example: H
A
1
4
Q
What does this molecule contain CaSO4? (calcium sulfate)
A
One atom of Calcium, One atom of Sulfur, Four atoms of Oxygen
5
Q
What does this molecule contain Mg(OH)2?
A
One atom of Magnesium, Two atoms of Oxygen and Two atoms of Hydrogen
