Answer:
The answer to your question is letter A
Explanation:
A Molecular compound definition is a compound where the atoms share electrons, which means that these compounds have covalent bonds.
Nonmetals are attached by covalent bonds.
A. This compound has 2 nonmetals so it is an example of a molecular compound.
B. This compound has metal and nonmetals so this is an ionic compound.
C. This compound has metal and nonmetals it is also an ionic compound.
D. Potassium is a metal, oxygen and hydrogen nonmetals, it is an ionic compound.
E. Incorrect
Answer:
Explanation:
The valency of chlorine is 1 .It means that chlorine has seven valence electrons in its valence shell so it gains one electron from others to be stable during chemical reaction. so its valency is 1.
hope it helps :)
Answer:The law of superposition is an axiom that forms one of the bases of the sciences of geology, archaeology, and other fields dealing with geological stratigraphy