Exhibit 31-1 MATCH a Term or Structure from the List Below to Below

question 17

Multiple Choice

Exhibit 31-1
MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes.

-____ a Ziegler-Natta catalyst

• A)BF₃ + H₂O
• B)elastomer
• C)chain-growth polymer
• D)AL(CH₂CH₃)₃ + TiCl₄
• G)thermoplastic
• H)homopolymer
• I)plasticizers
• J)thermosetting resins
• K)copolymers
• L)step-growth polymer
• M)Grubb's catalyst
• N)metallacycle

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Definitions:

Green Shoe Option

A clause in an IPO that allows underwriters to buy and sell additional shares than originally planned, stabilizing the stock price.

Underpricing Effect

The phenomenon where new stock offerings are priced below their market value, often leading to an immediate increase in their price upon trading.

Market Price

The prevailing transaction price for an asset or service.

Securities

Securities are financial instruments that represent an ownership position in a publicly-traded corporation (stock), a creditor relationship with a governmental body or a corporation (bond), or rights to ownership as represented by an option.