Answer
Verified
418.2k+ views
Hint: As we know that protons are positively charged, electrons are negatively charged. If we have to find the number of neutrons, we will subtract the atomic number from the mass number. And we can easily find the electrons, neutrons and protons.
Complete Solution :
- As we all know that atomic number denotes the total number of protons present in the nucleus of an atom. As we are provided with the information that the mass number of aluminium is 27, and we know that the atomic number of aluminium is 13.
- It is found that the number of protons is equal to the atomic number. This clearly means that any atom which is an isotope of aluminium will basically have 13 protons in the nucleus.
- And the number of electrons is equal to the proton number. Hence, we can say that there will be 13 electrons.
- Now, we will calculate the number of neutrons present. As we know that mass number= number of protons + number of neutrons. Hence, the number of neutrons will be = 27 - 13 = 14.
- Hence, we can conclude that there are 13 protons, 14 neutrons and 13 electrons are present in an atom of aluminium-27
Note: - We should note that the total number of neutrons present in the nucleus is equal to the difference between the atomic number and the mass number of an atom.
- As we know that the mass number of any atom is basically equal to the addition of the protons and neutrons that are present in the nucleus.
Complete Solution :
- As we all know that atomic number denotes the total number of protons present in the nucleus of an atom. As we are provided with the information that the mass number of aluminium is 27, and we know that the atomic number of aluminium is 13.
- It is found that the number of protons is equal to the atomic number. This clearly means that any atom which is an isotope of aluminium will basically have 13 protons in the nucleus.
- And the number of electrons is equal to the proton number. Hence, we can say that there will be 13 electrons.
- Now, we will calculate the number of neutrons present. As we know that mass number= number of protons + number of neutrons. Hence, the number of neutrons will be = 27 - 13 = 14.
- Hence, we can conclude that there are 13 protons, 14 neutrons and 13 electrons are present in an atom of aluminium-27
Note: - We should note that the total number of neutrons present in the nucleus is equal to the difference between the atomic number and the mass number of an atom.
- As we know that the mass number of any atom is basically equal to the addition of the protons and neutrons that are present in the nucleus.
Recently Updated Pages
How many sigma and pi bonds are present in HCequiv class 11 chemistry CBSE
Mark and label the given geoinformation on the outline class 11 social science CBSE
When people say No pun intended what does that mea class 8 english CBSE
Name the states which share their boundary with Indias class 9 social science CBSE
Give an account of the Northern Plains of India class 9 social science CBSE
Change the following sentences into negative and interrogative class 10 english CBSE
Trending doubts
Difference Between Plant Cell and Animal Cell
Difference between Prokaryotic cell and Eukaryotic class 11 biology CBSE
Fill the blanks with the suitable prepositions 1 The class 9 english CBSE
Differentiate between homogeneous and heterogeneous class 12 chemistry CBSE
Which are the Top 10 Largest Countries of the World?
One cusec is equal to how many liters class 8 maths CBSE
Give 10 examples for herbs , shrubs , climbers , creepers
The mountain range which stretches from Gujarat in class 10 social science CBSE
The Equation xxx + 2 is Satisfied when x is Equal to Class 10 Maths