An ion `M^(3+)` contains 10 electrons and 14 neutrons what are the aomic number and mass number of the element M? name the elemetn .Give its electrons distribution and predict valency.

An ion M^(3+) contains 10 electrons and 14 neutrons. What are the atomic number and mass number of the element M? Name the element.

An ion X^(2-) contains 10 electrons and 8 neutrons. What are the atomic number and mass number of the element X? Name the element.

An ion M^(2+) contains 10 electrons and 12 neutrons .What is the atomic number and mass number the element M? Name the element.

The atom of an element has 9 protons, 9 electrons and 10 neutrons. What is the mass number of the element?

The atom of an element has 9 protons , 9 electrons and 10 neutorns. (i) What is the atomic number of the element? (ii) what is the mass number of the element? (iii) Name the element and gives its electronic configuration (iv) Predict the valenecy of the element.

An atom of element X contains 3 protons, 3 electrons and 4 neutrons: What is its atomic number?