Big Bang nucleosynthesis produced stable isotopes for:
Hydrogen, helium, oxygen, and carbon are the most abundant elements in the universe.
Carbon, Hydrogen, Nitrogen, and Oxygen are the four most common elements.
The four elements of empedocles is fire, water, earth and air
There are 94 naturally occurring chemical elements in the universe. These elements range from hydrogen, the most abundant, to uranium, the heaviest naturally occurring element.
earth, air, fire and water.
The concept of four elements (earth, water, air, fire) was introduced by the ancient Greeks, particularly by the philosopher Empedocles in the 5th century BCE. He believed that these elements were the building blocks of all matter in the universe.
The maximum number of 1-to-1 compounds that can be formed from four different elements is six. This is because each element can form a 1-to-1 compound with each of the other three elements, resulting in a total of six unique combinations.
Empedocles was a Greek pre-Socratic philosopher and poet from Acragas (Agrigento), Sicily. He is known for his cosmology, which included the theory of the four classical elements (earth, air, fire, and water) and the belief in the transmigration of souls. Empedocles also proposed that everything in the universe is made up of these four elements.
Aristotle
The four most common elements in the universe are hydrogen, helium, oxygen, and carbon. Hydrogen is the most abundant, making up about 75% of the universe's elemental mass, followed by helium at around 24%. Oxygen and carbon, while less abundant, are crucial for the formation of stars, planets, and life as we know it. These elements primarily originate from stellar processes and the Big Bang.
The Dominion of Canada was formed July 1, 1867. The first four provinces were Ontario, Quebec, Nova Scotia, and New Brunswick.
Four :-Gravity, Electromagnetic, Weak nuclear, Strong nuclear.