Phản ứng cộng hợp (nếu có hợp chất chứa nguyên tố tham gia)
In Stock
$34.99
$29.99
Shipping and Returns Policy
- Deliver to United States » Shipping Policy «
- - Shipping Cost: $5.99
- - Handling time: 2-3 business days
- - Transit time: 7-10 business days
- Eligible for » Returns & Refund Policy « within 30 days from the date of delivery
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20 nguyên tố hóa học lớp 7
- Chu kì
- Điện phân
- Truyền thuyết, câu chuyện liên quan (nếu có) Nguyên tố hóa học
- Độ âm điện Nguyên tố hóa học
- Nguyên tố hóa học
- Phương pháp tinh chế Nguyên tố hóa học
- Chu trình trong tự nhiên (nếu có)
- Ảnh hưởng đến sức khỏe con người (nếu có)
- Phương pháp nhận biết đơn chất
- Phản ứng tạo kết tủa Nguyên tố hóa học
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Next Day Delivery by USPS
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Order by 9pm (excludes Public holidays)
$11.99
-
Express Delivery - 48 Hours
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Order by 9pm (excludes Public holidays)
$9.99
-
Standard Delivery $6.99 Find out more
Delivered within 3 - 7 days (excludes Public holidays).
-
Store Delivery $6.99 Find out more
Delivered to your chosen store within 3-7 days
Spend over $400 (excluding delivery charge) to get a $20 voucher to spend in-store -
International Delivery Find out more
International Delivery is available for this product. The cost and delivery time depend on the country.
You can now return your online order in a few easy steps. Select your preferred tracked returns service. We have print at home, paperless and collection options available.
You have 28 days to return your order from the date it’s delivered. Exclusions apply.
View our full Returns and Exchanges information.
Our extended Christmas returns policy runs from 28th October until 5th January 2025, all items purchased online during this time can be returned for a full refund.
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