One would have to sample galaxies/stars/planets to look at emission lines, and make some estimates of mass, in order to determine the relative abundance of elements in the cosmos.mech-eng said:How can scientists determine,calculate or understand that in the universe hydrogen is the most abundunt element as there are thousands of galaxy with their own planets. There might even an undiscovered element that could be most abundunt.
Have a nice day.
The most abundant elements on Earth are oxygen, silicon, aluminum, iron, and calcium. These elements make up the majority of the Earth's crust and are essential for life and many industrial processes.
The abundance of elements is important in chemistry because it affects the properties and reactivity of substances. For example, elements that are more abundant tend to be more widely used in everyday materials and products.
The abundance of elements is measured using various methods, such as spectroscopy, mass spectrometry, and geological analysis. These techniques allow scientists to determine the relative and absolute concentrations of elements in a given sample.
No, the abundances of elements are not constant. They can vary depending on factors such as geological processes, human activities, and natural disasters. However, the overall distribution of elements on Earth remains relatively stable over time.
The abundance of elements can differ in different parts of the universe. For example, the early universe was composed primarily of hydrogen and helium, while heavier elements were formed through nuclear fusion in stars. This has led to variations in the abundance of elements in different regions of the universe.