certain particle x has 17 protons 17 electrons and 18 neutrons
(i) What is the mass number of X?
(ii) What is atomic number of X?
(iii) What is valency of X?
(iv) identify the elemnet.

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

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

An anion X^(3-) has 36 electrons and 45 neutrons. What is the mass number of the element X-

A particle X has 17 protons, 18 neutrons an d 18 electrons. This particle is most likely to be :

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

The composition of two atomic particles is given below : {:(,"X","Y"),("Protons :",8,8),("Neutrons :",8,9),("Electrons :",8,8):} (i) What is the mass number of X ? (ii) What is the mass number of Y ? (iii) What is the relation between X and Y ? (iv) Which element/elements do they represent ?

Name the particle which has 18 electrons , 18 neutrons and 17 protons in it.

Nucleus of an atom has 6 protons and 8 neutrons. What is its atomic number and mass number? What is this element?

The mass number of an atom is 17 Atomic. number is 8 What is the number of neutrons present in. it?

An atom of X contains 17 protons ad 18 neutrons. Identify X.