It is an element
A molecule made up of two or more different elements is called a compound, whereas a molecule made up of two of the same elements is still just an element.
A substance in which all the atoms are the same is called an "element".
It is intermolecular force of attraction, it may be 1- dipole - dipole interaction, 2- vander waal's force of attraction.
The theory that every molecule of a magnetic substance is a tiny magnet is known as the domain theory. In this theory, magnetic materials are made up of small regions called domains, where each domain consists of multiple atoms with their magnetic moments aligned in the same direction.
A substance where the actual number of atoms is not significant, as long as they are all of the same element, is called a chemical compound. This is because the properties of compounds are determined by the arrangement and types of atoms within the molecules, rather than their quantity.
An attraction between particles of the SAME substance is called cohesion.
An attraction between molecules of the same substance is called cohesion. This occurs because molecules of the same substance have similar properties and are able to bond together through intermolecular forces such as hydrogen bonding or van der Waals forces. Cohesion is responsible for many properties of substances, such as surface tension in water.
If all of the molecules of the substance are the same molecule
If you mean a substance made up of only one atom, that would be a mono-atomic element, and would be a noble gas.If you mean a substance made of only one kind of atoms, that would be an element.
It is called keratin, and it's the same protein that hair, and horns are made out of.
Cohesion
No, molecules and elements are not the same thing. An element is a pure substance made of only one type of atom, while a molecule is a group of atoms bonded together. Elements can exist as single atoms or as molecules depending on their chemical composition.
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A molecule made up of two or more different elements is called a compound, whereas a molecule made up of two of the same elements is still just an element.
This is called an intermolecular force. It may be a van der Waals force, dipole-dipole attraction or a hydrogen bond.
Generally, the molecules in gases are further apart than molecules of the same substance in either liquid or solid state. However, note the existence of a critical temperature for each substance. Above the critical temperature, no liquid or solid phase can exist, but it would be theoretically possible to compress a supercritical substance so that it would have closer molecules than some liquid form of the same substance.
diamond is the hardest substance known to science at this time, and graphite is a rather weak substance, and they are both made of the same elements. Their only differences are the arrangement of the molecules