Answer:
On the following page, the idea is stated as one of four concepts in Dalton's theory: “All matter is composed of tiny, indivisible particles called atoms” (p.
The arrangement of particles determines the state of matter.
Particles are arranged and move differently in each state of matter. Solids contain particles that are tightly packed, with very little space between particles. If an object can hold its own shape and is difficult to compress, it is a solid.
The unique integer assigned to each element, known as the
atomic number. Most astonishingly, there is an unanticipated relationship
between the frequency and the relative mass of each atom. Let’s rank the
elements by atomic mass, and allocate an integer to each rendering to its
ranking in order by mass. In the Periodic Table, this rank order number also agrees
to the element’s position in the Periodic Table.
Answer:
Just use a text book, so that you get the concept
Hydrogen and helium abundance