Terms of Service

Welcome to Periodic Table Online. These Terms of Service ("Terms") govern your use of our website located at periodictableonline.com (the "Site") and the services, features, and content we offer (collectively, the "Services").

By accessing or using our Site, you agree to be bound by these Terms. If you disagree with any part of these terms, you may not access the Site.

1. Use of Our Services

Educational Purpose

Periodic Table Online provides educational resources about chemistry, including an interactive periodic table, material composition analysis, molecular visualization, educational articles, and unit conversion tools. Our Services are intended for educational and informational purposes only.

Acceptable Use

You agree to use our Services only for lawful purposes and in accordance with these Terms. You agree not to:

• Use the Site in any way that violates any applicable federal, state, local, or international law
• Attempt to gain unauthorized access to any portion of the Site or any systems connected to the Site
• Use the Site to transmit any malware, viruses, or other harmful code
• Interfere with or disrupt the Site or servers connected to the Site
• Scrape, harvest, or collect data from the Site through automated means without permission
• Use the Site for any commercial purpose without our prior written consent

Age Requirements

Our Site is designed for users of all ages for educational purposes. If you are under 13 years of age, please use the Site under the supervision of a parent or guardian.

2. Intellectual Property

Our Content

The Site and its original content (excluding data from third-party sources), features, and functionality are owned by Periodic Table Online and are protected by international copyright, trademark, and other intellectual property laws.

Third-Party Data

Our Site incorporates scientific data from third-party sources including PubChem (National Institutes of Health), ChEMBL (European Molecular Biology Laboratory), and Materials Project (Lawrence Berkeley National Laboratory). This data is used under their respective terms of use and remains the property of their respective owners.

Educational Use

You are permitted to use content from our Site for personal, non-commercial educational purposes, such as studying, completing homework, or classroom instruction. If you wish to use our content for commercial purposes, please contact us for permission.

3. Disclaimers

Educational Information Only

The information provided on Periodic Table Online is for general educational and informational purposes only. While we strive for accuracy, we make no representations or warranties of any kind, express or implied, about the completeness, accuracy, reliability, or suitability of the information.

Not Professional Advice

Our content should not be used as a substitute for professional scientific, medical, or safety advice. If you are conducting chemical experiments, working with hazardous materials, or making decisions that could affect health or safety, always consult qualified professionals and follow appropriate safety guidelines.

No Warranty

THE SITE AND SERVICES ARE PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED. WE DO NOT WARRANT THAT THE SITE WILL BE UNINTERRUPTED, ERROR-FREE, OR FREE OF VIRUSES OR OTHER HARMFUL COMPONENTS.

Data Accuracy

While we source our data from reputable scientific databases, we cannot guarantee that all information is completely accurate or up-to-date. Scientific knowledge evolves, and element properties may be refined over time. Always verify critical information from primary sources.

4. Limitation of Liability

TO THE FULLEST EXTENT PERMITTED BY LAW, PERIODIC TABLE ONLINE SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, OR ANY LOSS OF PROFITS OR REVENUES, WHETHER INCURRED DIRECTLY OR INDIRECTLY, OR ANY LOSS OF DATA, USE, GOODWILL, OR OTHER INTANGIBLE LOSSES, RESULTING FROM:

• Your access to or use of (or inability to access or use) the Site
• Any conduct or content of any third party on the Site
• Any content obtained from the Site
• Unauthorized access, use, or alteration of your transmissions or content

5. External Links

Our Site may contain links to third-party websites or services that are not owned or controlled by Periodic Table Online. We have no control over, and assume no responsibility for, the content, privacy policies, or practices of any third-party websites or services.

6. Modifications to Terms

We reserve the right, at our sole discretion, to modify or replace these Terms at any time. If a revision is material, we will try to provide at least 30 days' notice prior to any new terms taking effect. By continuing to access or use our Site after those revisions become effective, you agree to be bound by the revised terms.

7. Termination

We may terminate or suspend your access to our Site immediately, without prior notice or liability, for any reason whatsoever, including without limitation if you breach these Terms. Upon termination, your right to use the Site will immediately cease.

8. Governing Law

These Terms shall be governed and construed in accordance with the laws of the United States, without regard to its conflict of law provisions. Our failure to enforce any right or provision of these Terms will not be considered a waiver of those rights.

Questions About These Terms?

If you have any questions about these Terms of Service, please contact us.

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