✓ This description constitutes a binding contract of sale, by purchasing from us the customer declares to have read the aforementioned contract and accepted our Terms & Conditions above.Īll our labels and text format are protected by copyright and international patentĪny attempt to copy or modify will be prosecuted by law also internationally. You must be of legal age to purchase the item. Obviously Nova Elements is not responsible for the customs confiscation of some items, the buyer is solely responsible, so inform us well if you can buy and receive your item in your country, any action resulting from an illicit use of the ordered item is the responsibility of the buyer only, Nova Elements declines all responsibility. It may happen that we ship your order in two or more shipments, in any case you will be notified, shipping times are always indicative and in any case do not depend on us, we are not a shipping company :) But we can definitely mediate between you and the courier! If your item does not arrive within 20-25 working days contact us to open a claim with the courier, usually after opening a claim to the courier this delivers the package in 99% of cases within 7 working days. If there is any problem, a delay in delivery, damage to the ordered item, or any other inconvenience, we are here! Contact us and you will receive an answer within a few hours with the solution to your problem, we just want your satisfaction! Public and Private Bodies (CERN in Geneva is one of our customers!) Let us continue to serve with zeal and love:Ĭollectors of items from all over the world (more than 50 countries in the world!) We do this work with love, and each of our articles reflects this love and passion that distinguishes us from others!Ĭonnect with us on our social accounts and newsletters We guarantee each of our products, if it is not as you expected you will be refunded against the return! We are real chemists graduated from the University of Palermo where the famous element Technetium was discovered! Each of our items is shipped from Italy or rather from Palermo! ![]() We sell all the Elements of the Periodic Table that you can collect even the toughest and rarest ones! Contact us if you do not find what you are looking for or visit our website! Metallic niobium element 41, Periodic Table of the Elements, Niobium shiny crystals in vial labeled 1 gram 99.9 pure. The shipment is always tracked until delivery, and partly covered by the price of the object, the other part we offer it! You should receive your item in a few days (in Italy), if you are abroad the shipment takes from 5 to 15 days: Physical state at standard conditions of pressure and temperature Many sellers copy our labels, but ours remain the most authentic, original and scientifically interesting, as well as protected by copyright and international patent! In our labels you will find everything you need to know about the item purchased, the print quality is impressive and you will always read well what is written on them: So, the mass of the Nitrogen-14 atom must be 14.00643 us. For example, a Nitrogen-14 atom with 7 protons and 7 neutrons has been experimentally determined to have a mass that is 1.1672 times that of carbon-12. There you can find the metals, semi-conductor(s), non-metal(s), inert noble gas(ses), Halogens, Lanthanoides, Actinoids (rare earth elements) and transition metals.A fantastic sample of metallic niobium in shiny small crystals in labeled glass vial.Īll our ampoules are made in EU, with high quality glass, have dimensions 45 x 20 mm As a result of this standard, the mass of all other elements on the periodic table are determined relative to carbon-12. Please note that the elements do not show their natural relation towards each other as in the Periodic system. The unity for atomic mass is gram per mol. The lightest chemical element is Hydrogen and the heaviest is Hassium. The chemical elements ofįor chemistry students and teachers: The tabular chart on the right is arranged by Atomic mass (weight). This list contains the 118 elements of chemistry. ![]() Separation and Concentration Purification RequestĬhemical elements listed by atomic mass The elements of the periodic table sorted by atomic massĬlick on any element's name for further information on chemical properties, environmental data or health effects. ![]() Nutritional elements in the periodic table. Of the remaining 33, it is not known how many occur in the human body. Of the 94 naturally occurring chemical elements, 61 are listed in the table above.
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