QUESTION:-
What is the maximum number of electrons that can be placed in the first shell/energy level?
A. 1
B. 8
C. 2
D. 18
Answer:
C. 2
The first shell, closest to the nucleus and with the lowest-energy electrons, is shell 1. This first shell has only one subshell (labeled 1s) and can hold a maximum of 2 electrons
Answer:
B: an atom
Explanation:
An atom is the smallest substance that can exist in isolation.
Hence, if a piece of copper is continually divided, eventually the smallest particle you would get in an atom.
That is true it can not happen
Answer: They are found in proteins and DNA.
Explanation:
Covalent bonding is important to human beings because they are commonly found in carbon-based organic molecules which are considering proteins and DNA which are found in the human body.
There are three types of chemical bonds that are very important in the human body and physiology
