A compound is formed when elements join together.
A fissure or a pit is formed in the occlusal surface when multiple cusps join together.
When two or more elements form a bond, they do so either by sharing electrons, or by one element donating and one element accepting electrons. In the former case, you have a covalent bond. In the latter case, it is an ionic bond.
The small crystals are formed outside the volcano by the cold air... the cold air cools down the igneous rock and the crystals dont have time to join together so the are small. And the big crystals are formed inside the volcano very slowly and that way they have time to join together then there are big crystals that have been formed.
An element can definitely be part of a heterogeneous mixture. Many elements when put together can make up a heterogeneous mixture.
Molecules are formed from chemical elements.
When two elements are join together the molecule of a compound is formed.
Compounds are chemical substances that is formed when two or more different types of elements join together.
When two elements join together they are called a compound. Water is one of the most common compounds, formed from hydrogen and water.
A chemical bond is formed when two or more atoms join together. There are several types of bonds depending on the chemicals.
A fissure or a pit is formed in the occlusal surface when multiple cusps join together.
Bonding
Yes, two or more different atoms of two or more different elements will, when chemically bonded, make a chemical compound.
No, when elements join together chemically the compounds formed are usually quite different. A very common example is table salt. It's composed on a soft metal, sodium, and a yellowish-green gas, chlorine, yet it's white, crystalline and fairly hard.
polymers
Nonmetals mistly the diatomic elements
A molecule is formed
compounds