GK
CHEMISTRY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
What is the nucleus of an atom?
|
|
The outer layers of an atom.
|
|
|
The center of an atom.
|
|
|
The center of a molecule.
|
|
|
The center of the solar system.
|
Explanation:
Detailed explanation-1: -The nucleus, with its four protons and five neutrons, is surrounded by a cloud of electrons. In 1911, Ernest Rutherford discovered that at the core of every atom is a nucleus. Atomic nuclei consist of electrically positive protons and electrically neutral neutrons.
Detailed explanation-2: -The nucleus is the center of an atom. Almost all of the mass in an atom is made up from the protons and neutrons in the nucleus with a very small contribution from the orbiting electrons. Neutrons have no charge and protons are positively charged.
There is 1 question to complete.