Answer:
their ability to conduct heat and electricity.
Explanation:
Compound is formed when two or more chemical elements are chemically bonded together. elements are made of atoms
Because they believed that heavenly bodies’ circular motions where caused by their being attached to unseen resolving solid spheres
Answer:
C. naturally uncombined with other elements.
Explanation: Calcium is a chemical element with the symbol Ca and atomic number 20. As an alkaline earth metal, calcium is a reactive metal that forms a dark oxide-nitride layer when exposed to air.
Answer:
!atoms in the nitrogen family.. have 5 valence electrons. They tend to share electrons when they bond. Other elements in this family are phosphorus, arsenic, antimony, and bismuth.
