two or more of the same elements chemically combined is called a _____

What is this a picture of?

What is this a picture of?

What is this a picture of?

Which of the following are compounds?

Which of the following are elements?

Which of the following are molecule?

Nitrogen, Helium and Carbon are all examples of

H₂SO_{4 is made up of which elements?}

How many different elements are in C₆H₁₂O₆?

How many different atoms are in C₆H₁₂O₆?

The reactants in an equation are on the _____ side.

The products in an equation are on the _____ side.

How many atoms of Carbon are in C₆H₁₂O₆?

How many atoms of Hydrogen are in C₆H₁₂O₆?

How many atoms of Oxygen are in C₆H₁₂O₆?

What are the reactants in the equation?

What are the products in the equation?

Is the equation balanced?

The number of atoms of each element in the reactants must

Chemical equations show

What are the top 3 elements in living matter

What are the top 3 elements in the crust?

What are the top 3 elements in the atmosphere?

What are the top 4 elements in the ocean?

When 2 carbon atoms combine, they form a ______