There are lots of different substances but only just over a hundred elements. An element is a substance that is made up of only one kind of atom. The atoms in a particular element are the same as each ...

The formula H₂O shows that water is made from two atoms of hydrogen (H) bonded to one atom of oxygen (O). Katie: Time for some science. And today it's a chemistry classic, the periodic table. And here ...

The term aromaticity is a basic, long-standing concept in chemistry that is well established for ring-shaped carbon compounds. Aromatic rings consisting solely of metal atoms were, however, heretofore ...

This episode is from WHRO’s Spotlight Earth series. Watch this video to learn about matter. In this Spotlight Earth episode, you will explore the fundamental building blocks of the universe, including ...

Scientists have inserted metal atoms into methane gas molecules and obtained a detailed structure of the resulting molecule. The discovery could be a key step in making hydrocarbons available to ...

Ilja Gerhardt and his colleagues are building bridges in physics: The researchers from the Max Planck Institute for Solid State Research in Stuttgart and the university there have brought together ...

Check NCERT based extra questions for CBSE Class 9 Science Chapter 3 - Atoms and Molecules. Accurate answers have been provided for all the questions. All the questions are based on important concepts ...