Chemical Bonding and Reactions

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What is a negative ion called?

Anion

What type of reaction has one reactant and two or more products?

Decomposition

What type of reaction is this? Cu(NO3)2 + Zn = Zn(NO3)2 + Cu

Single Replacement

What do you call the small number to the right of O2?

Subscript

What type of reaction has two compounds exchanging cations?

Double Replacement

What type of reaction is this? MgCl2 + NaOH = Mg(OH)2 + NaCl

Double Replacement

How are anions formed?

Nonmetals gain electrons

Balance this equation: __Na + __Cl2 = __NaCl

2Na + Cl2 = 2NaCl

What is a positive ion called?

Cation

What are the numbers used to balance equations called?

Coefficient

In a chemical reaction, the mass of products must be (less than, equal to, or greater than) reactants.

Equal to

This compound is composed of a metal cation and nonmetal anion. What is it?

Ionic Compound

The reactants are found on the (left or right ) side of the chemical equation.

Left

Metals (lose or gain) electrons to form a cation.

Lose

What is the law of conservation of mass?

Matter cannot be created or destroyed.

What is the chemical formula for Sodium Chloride?

NaCl

What is the name of the substance/s that are formed in a chemical reaction?

Product(s)

What type of reaction is this? K + O2 = K2O

Synthesis

Write the chemical name for N3O5.

Trinitrogen Pentoxide

Give another word for the arrow used in a chemical equation.

Yield sign


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