Q. 33.9( 25 Votes )
Liquids generally have
give the number of neutrons in an atom of element .
Number of protons are 47
Atomic mass is 147
So the neutrons are 107 – 47 = 60
Rate this question :
An atom has an atomic mass of 7u. It has 2 electrons in K-shell and one electron in L-shell. How many neutrons does it have?All In One - Science
Lithium atom has an atomic mass of 6u and three protons in its nucleus. How many neutrons does it have?All In One - Science
The atomic number of Al and Cl are 13 and 17 respectively. What will be the number of electrons in Al3 + and Cl–?All In One - Science
Why are atomic masses of most of the elements are fractional and not whole numbers?All In One - Science
What are the number of protons, neutrons, and electrons in What are their atomic number and mass number?All In One - Science
Describe the Rutherford’s model of an atom. State one drawback of Rutherford’s model of the atom.Lakhmir Singh & Manjit Kaur - Chemistry
Explain how, cathode rays are formed from the gas taken in the discharge tube.Lakhmir Singh & Manjit Kaur - Chemistry
An ion M2– contains 10 electrons and 10 neutrons. What are the atomic number and mass number of the element M? Name the element.All In One - Science
An atom of element E contains 3 protons, 3 electrons and 4 neutrons:
(a) What is its atomic number?
(b) What is its mass number?
(c) Write the electronic configuration of the element E.
(d) State whether element E is a metal or non-metal. Why?
(e) What type of ion, cation or anion, will be formed by an atom of element E? Why?
(f) Write the symbol of the ion formed by an atom of element E.
(g) What could element X be?Lakhmir Singh & Manjit Kaur - Chemistry