Question

Define Covalent bonds​

Answer 1

Explanation:

Covalent compounds or molecular compounds are chemical compounds made of elements connected by covalent bonds. Covalent bonds only form between nonmetallic elements because these elements have the same or similar electronegativity values. Here are examples of covalent compounds and a look at their common properties.

Answer 2

Answer:

Cells are the basic building blocks of living things. The human body is composed of trillions of cells, all with their own specialised function. Cells are the basic structures of all living organisms. Cells provide structure for the body, take in nutrients from food and carry out important functions.