Model
The red atom represents this element
What is oxygen
The element symbol O
What is oxygen
A student mixed X grams of salt into 1000 grams of water. If the mass of the product weighed 1150 grams, what is the mass of the salt?
What is 150 grams
The two blue atoms represent this element
What is hydrogen
The element symbol Fe
What is iron
A student mixed X grams of salt into 1367 grams of water. If the mass of the product weighed 1853 grams, what is the mass of the salt?
What is 486 grams
The small number below the element symbol
What is a subscript
This is the simplest form of matter, composed of only one type of atom, and found on the periodic table
What is an element
A scientist combined 2 atoms of nitrogen with 2 atoms of oxygen to form 2 atoms of nitrogen and 1 atom of oxygen. Is the equation balanced or unbalanced?
What is unbalanced
The popsicle sticks represent this type of bond
What is a chemical bond
This is formed when two or more different elements are chemically bonded together
What is a compound
The measure of the quantity of matter that an object contains
What is mass
This model represents this compound
What is water
This physical substance that occupies space and possesses mass
What is matter
This law that states that matter cannot be created or destroyed, only transformed
What is the law of conservation of mass