DCA for cycle 2

Front

Element or compound?
H₂O

Back

compound

Front

The blue numbers in the image below represent ________

Back

subscripts

Front

What do we call a substance consisting of a single atom?

Back

element

Front

What do we call a chemical substance made up of 2 or more different types atoms bonded together?

Back

compound

Front

One or 2 letters used to represent an element

Back

symbol(s)

Front

A small number to the right of a symbol that is written below the normal line of letters to show how many atoms of an element are present in a substance.

Back

subscript

Front

A number written in front of a chemical formula to show how many molecules of that substance are present.

Back

coefficient

Front

Matter is not created nor destroyed, only changed. The number of atoms in the reactants must equal the number of atoms in the product.

Back

law of conservation of mass

Front

What would you call the formula in the green box?

Back

reactant

Front

What would you call the formula in the orange box?

Back

product