which size would be best as a poster above a desk?

That will depend on the specifics. If you are looking to utilize this chart as reference in a bedroom environment, then going with either the 15 x 20 or 18 x 24 option is a good choice depending on the wall space available. If this is for a classroom environment then maybe going with the larger 24 x30 chart is the better option.

Are the semimetals featured as being blue or black? (Just asking cause the pictures show two different things)

The Semimetals are blue as in the primary image. The Images showing black must be a faulty render output. Thanks for bringing this to our attention.

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Periodic table science poster LARGE LAMINATED new 2023 chart teaching elements BLACK classroom decoration premium educators atomic number guide 18x24

Product ID: 139104441

🎨Color-coded element groups

📏Large 18x24 inch size

🛡️3-mil laminated durability

AR$162789

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Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🧪 Elevate your science space with the ultimate periodic table poster—where learning meets style!

VERSATILE WALL ART - Perfect for classrooms, study rooms, or kids’ bedrooms—blend education with stylish decor.
GENEROUS 18 X 24 DISPLAY - Large format ensures visibility from across the room—no more squinting or guessing.
CLASSROOM READY DURABILITY - Water & tear-resistant lamination keeps your poster pristine through every lesson.
INSTANT ELEMENT RECOGNITION - Vibrant color-coding simplifies complex chemistry into easy visual groups for faster learning.
DESIGNED BY EDUCATORS FOR EDUCATORS - Streamlined layout crafted to boost teaching efficiency and student engagement.

The Young N Refined Periodic Table Poster (18x24 inches) features a premium 3-mil laminated finish that resists water and tears, ensuring long-lasting durability. Its clear, color-coded design categorizes elements into ten distinct groups, making it an essential educational tool for teachers, students, and parents alike. Ideal for classrooms and bedrooms, this large-format, unframed poster combines functionality with sleek, modern aesthetics to enhance any learning environment.

Specifications

ASIN	B07BDHW1F3
Age Range Description	Kid
Best Sellers Rank	241,626 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 154 in Science Education Charts & Posters
Brand Name	Young N Refined
Color Family	Black
Colour	Multicolor
Cover Material	Plastic
Customer Package Type	Standard shipping envelope or box
Customer Reviews	4.6 4.6 out of 5 stars (1,098)
Finish Type	Laminated
Frame Material	Plastic
Frame Type	Unframed
Indoor Outdoor Usage	Indoor
Is Framed	No
Is Original Artwork	No
Item Dimensions L x W	1L x 457W millimetres
Item Shape	Rectangular
Manufacturer	Young N Refined
Material	Plastic
Mounting Type	Wall Mount
Number Of Panels	No
Number of Items	1
Orientation	Landscape
Paint Type	Watercolor
Paper Finish Type	Matte
Pattern	Solid
Product Style	Basic
Recommended Uses For Product	educational purposes, home/classroom decoration
Room Type	Bedroom, Kids Room
Seasons	all, fall
Size	0.1L x 45.7W cm
Special Features	Durable, water and tear-resistant laminated design
Subject Character	Periodic Table
Theme	Educational,Number,Science
UPC	689559055718
Unit Count	1.0 count
Wall Art Form	Poster

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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AR$162789

Duties & taxes included

In stock

Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Argentina.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Fantastic and great service. Shipping was faster than expected.

1 week ago

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The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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