Vocabulary words

What is a symbolic representation of a chemical reaction in which both sides of the equation contain equal numbers of atoms of each element?

• Balanced Reactant Equation

• Balanced Chemical Equation

• Balanced Equation

• Balanced Product

Tags

NGSS.MS-PS1-5

What is the process by which one or more substances change to produce one or more different substances?

• Reactant

• Balanced Chemical Equation

• Reactivity

• Chemical Reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is Coefficient?

• A number placed in front of a chemical symbol or formula that represents the number of molecules

• A substance produced during a chemical reaction

• BIG NUMBERS

• The process by which one or more substances change to produce one different substances

Tags

NGSS.MS-PS1-1

Which scientific law stating that the mass of all reactants must equal the mass of all products; matter is neither created nor destroyed

Tags

NGSS.MS-PS1-5

Product is?

• A substance that takes part in and undergoes change during a chemical reaction

• A substance produced during a physical reaction

• A substance produced during a chemical reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is Reactivity?

• A substance that takes part in and undergoes change during a chemical reaction

• The ability of a chemical substance to undergo a chemical reaction; significantly influenced by valence electrons of the reacting substances

• The process by which one or more substances change to produce one or more different substances

• A symbolic representation of a chemical reaction in which both sides of the equation contain equal numbers of atoms of each element

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-5

Which of the following is a chemical change?

• Boiling water

• Dissolving sugar in water

• Rusting of iron

• Melting ice

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The substances listed on the right side of a chemical equation are the

• Yields
• Reactants
• Products
• Precipitates

The substances listed on the left side of a chemical equation are the

• Products
• Coefficients
• Precipitates
• Reactants

Using the following equation:

Fe₂O_3(s) + 3H_2(g) → 2Fe_(s) + 3H₂O_(l)

What are the reactants?

• Fe₂O_3(s) + 3H_2(g)

• 2Fe_(s) + 3H₂O_(l)

• There are no reactants in that reaction

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2