Matter Remediation

Matter Remediation

​Classification and Chemical Equations

PS.3 c,d

​Elements, Compounds, and Mixtures

Match

Match the following

• made of a single kind of atom

• substances made of two or more elements chemically combined

• created when two substances physically combine

element

compound

mixture

• element

• compound

• mixture

Multiple Select

Which two of these could represent an element?

Multiple Choice

Classify

• Element
• Compound
• Mixture

Multiple Choice

Copper - Cu

• Element

• Compound

• Homogeneous Mixture

• Heterogeneous Mixture

Multiple Choice

Baking Soda - NaHCO₃

• Element

• Compound

• Homogeneous Mixture

• Heterogeneous Mixture

Multiple Choice

Chalk - CaCO₃

• Element

• Compound

• Homogeneous Mixture

• Heterogeneous Mixture

Multiple Choice

Rocks and Sand

• Element

• Compound

• Mixture

Multiple Choice

Air

• Element

• Compound

• Mixture

Multiple Choice

A subscript is the small number below the element symbol that tells the number of _______ of that element.

• atoms

• valence electrons

• protons

• elements

Multiple Choice

How many elements are in C₆H₁₂O₆?

• 1
• 2
• 3
• 4

Multiple Choice

How many Magnesium atoms are in 10MgCl₂?

• 10

• 5

• 20

Multiple Choice

How many Hydrogen atoms are in 4H₂O?

• 6

• 8

• 2

• 4

Multiple Choice

How many Oxygen atoms are in H₂O?

• 1

• 2

• 0

• 4

Parts of a Chemical Equation

Multiple Choice

The three (3) indicates which part?

• reactants

• products

• equation

• formulas

Multiple Choice

The two (2) is indicating _________.

• subscripts

• reactants

• coefficients

• aqueous

Multiple Choice

What part of the equation does the #1 represent?

• product

• produces/yields

• solid

• reactant

Multiple Choice

Number seven (7) is indicating ____ of the equation.

• reactants

• products

• equation

• formulas

Multiple Choice

What is the Law of Conservation of Mass?

• It states that no matter can be created or destroyed.
• It states that no energy can be created or destroyed.
• It states that matter can be created or destroyed.
• It states that no sound can be created or destroyed.

Multiple Choice

Balance this equation...
H₂ + Cl₂ --> HCl

• It is balanced 
• 3H₂ + Cl_{2 -->} 6H₂Cl
• H₂ + Cl_{2 -->} 2HCl

Multiple Choice

Balance this equation...
HgO --> Hg + O₂

• It is balanced 
• 2HgO --> Hg + O₂
• 2HgO --> 2Hg + O₂