Types of Chemical Reactions and the Law of Conservation of Mass

Be able to identify the caution and anion of an Ionic Bond.

• Overall -

• Valence Electrons

• Overall +

• Anion

• Outermost shell electrons

• Cation

Sodium gives a valence electron to Chlorine during ionic bonding

• Gain

• Which is the anion

• Cl

• What is the symbol for a cation

• Na

• Which is the cation

Sulfur takes on a valence electron to calcium during ionic bonding

• S

• What is the symbol for a cation

• Gain

• Which is the anion

• Ca

• Which is the cation

Be able to identify the types of bonds present for various chemical formulas. Practice problems are below: (Covalent, Ionic, Metallic)

• Covalent

• MnO2

• Ionic

• RbCl

• Ionic

• MgBr2

• Ionic

• SO3

Be able to identify the types of bonds present for various chemical formulas. Practice problems are below: (Covalent, Ionic, Metallic)

• Covalent

• Br2

• Covalent

• C3H3

• Metallic

• CU2

• Covalent

• H2O

Reactants are found on the​ (a)   side of the arrow in a chemical reaction. Products are found on the ​ (b)   side of the arrow in a chemical reaction.

• Left
• right
• Up
• Down
• Inside
• Outside

What is the Law of Conservation of Mass?

(a)  

Tags

NGSS.MS-PS1-5

What does evidence look like that supports the Law of Conservation of Mass? Think about the masses of the reactants and products in a chemical reation. Consider the lab we did in class.

(a)  

Tags

NGSS.MS-PS1-5

When balancing equations, yon change (a)  

​ ​

• coefficients but not subscripts
• variables but not constants
• additions but not subtractions

Tags

NGSS.HS-PS1-7

LiCO3 In the compound to the left, what is the 3 called?

• Subscript

• Coefficients

• Combustion