Matter is made up of very small parts called atoms. Atoms can combine in different numbers and in different ways to make different molecules. Atoms and molecules make up all of the different ...
The questions in this quiz are suitable for GCSE chemistry students studying early ideas about atoms, the structure of the atom, atomic number and mass number. If you struggled with the quiz ...
Copper atoms are larger than aluminum atoms. There are fewer copper atoms than aluminum atoms in the cubes. Copper atoms are much more massive than aluminum atoms. The extra mass makes copper more ...
AMO physicists strive to understand and control atoms, molecules, and light in new ways that were hardly dreamed about ... of interdisciplinary interest for chemistry and astrophysics in addition to ...
The electrons in the covalent bond are shared equally between the two oxygen atoms. The chlorine atom has a higher electronegativity than the hydrogen atom, so the bonding electrons will be closer to ...