Like all objects, rockets are governed by Newton's Laws of Motion. The First Law describes how an object acts when no force is acting upon it. So, rockets stay still until a force is applied to move them. Newton's Third Law states that "every action has an equal and opposite reaction".
Valency- it means the combing capacity if an element.
<span> radical- it is an atom, molecule, or ion that has unpaired valence electrons or an open electron shell.
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C) and d) are physical changes while b) is chemical
Gases take the shape of their container and have no definite volume because they can diffuse indefinitely. Answer C.
Answer:
B
Explanation:
All elements on both sides of the equation have the same amount of moles
