IC2 Chemical Equations

Identify the product(s) in the following chemical reaction:

Chromium oxide + Carbon → Chromium + Carbon monoxide

• Chromium and carbon.

• Chromium and carbon monoxide.

• Chromium and carbon dioxide.

• Chromium oxide and carbon.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In chemical reactions, a product is _________.

En reacciones químicas, un producto es _________.

• any substance that is made of the greatest number of atoms

• any substance that is made from the least number of atoms

• any substance that is to the left of the arrow

• any substance to the right of the arrow

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Complete the sentence.

During a chemical reaction, atoms ________.

Completa la oración. Durante una reacción química, los átomos ________.

• can appear

• can disappear

• get rearranged

• stop moving and vibrating

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Uses symbols, formulas, and numbers to stand for a chemical reaction.

• Chemical formula

• Chemical reactant

• Chemical Equation

Tags

NGSS.MS-PS1-1

Label the parts of the chemical equation.

a

b

c

yields

product

reactant

Tags

NGSS.MS-PS1-5

The blue numbers in the image below are called ___________.

• compounds

• coefficients

• subscripts

• chemical formulas

In the following chemical equation, C_{2 +} O₂→ CO₂, what are the reactants?

• C₂

• C_{2 +} O₂

• CO₂

• C_{2 +} O₂→ CO₂

Tags

NGSS.MS-PS1-1

The number before a chemical formula that shows the number of molecules present is call a?

• Yield

• Product

• Coefficient

• Reactant

This appears on the left side of a chemical formula, and represents how many compounds there are.  What is the name of this number?

• Dangling Participle 

• The Subscript

• A Prime Number

• The Coefficient

What always happens in a chemical reaction?

¿Qué sucede siempre en una reacción química?

• Some atoms of existing substances disappear.

• Some substances change phase.

• New atoms appear and form new substances.

• New substances form from atoms of existing substances.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5