The diagram represents an isotope of hydrogen (H). Answer the following:
If an isotope of 'H' has mass no. = 3, how many neutrons does it have.

The diagram represents an isotope of hydrogen (H). Answer the following: If an isotope of 'H' has mass no. = 2, how many electrons does it have.

The diagram represents an isotope of hydrogen (H). Answer the following: Are isotopes atoms of the same element or different elements.

The diagram represents an isotope of hydrogen (H). Answer the following: Do isotopes have the same atomic number or the same mass number.

The diagram represents an isotope of hydrogen (H). Answer the following: Which sub-atomic particles in the 3 isotopes of 'H' are the same.

Which isotope of hydrogen has no neutron?

Helium atom has an atomic mass of 4 u and two protons in its nucleus. How many neutrons does it have?

Answer the following questions: How many end points does a ray AB have ?

Given below is a diagram representing a stage during the mitotic cell division। Study the diagram and answer the following questions : How many chromosomes will each daughter cell have after the completion of the above division ?

Answer the following questions: How many end points does a line segment AB have ?

Laura has 20 coins consisting of quarters and dimes. If she has a total of $3.05, how many dimes does she have?