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How many chemical elements are considered primary elements because they make up 99 percent of all matter in living systems?
Wiki User
∙ 14y ago
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Wiki User
∙ 14y ago
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What 5 chemical elements make up 95 percent of biomass?
Carbon, Oxygen Hydrogen Nitrogen Sulpher
What is the chemical composition of earth?
The earth is actually composed of a total of 90 chemical elements. 81 of them have at least one stable isotope.
What are the chemical make-up elements on the sun?
hydrogen and helium The sun consists of 71 % Hydrogen, 27 % Helium, 1 % Oxygen and the last percent is made of Carbon, Nitrogen, Silicon, Magnesium, Neon, Iron and Sulfur.
What chemical elements compose more than 98 percent of the sun?
Together, hydrogen and helium make up most of the Sun. I guess that would be over 98%.
What percent of the hydrosphere is made up of other elements besides water?
According to Education.com, the hydrosphere is made of oxygen at 86 percent, hydrogen at 11 percent and other elements totalling 3 percent.
3 chemical elements that account for 95 percent of the atoms in the human body?
These elements are carbon ,hydrogen and oxygen.
Which elements is considered to be a trace element contributing to less the 4 percent of living matter?
Nitrogen(:
What 5 chemical elements make up 95 percent of biomass?
Carbon, Oxygen Hydrogen Nitrogen Sulpher
What is the chemical composition of earth?
The earth is actually composed of a total of 90 chemical elements. 81 of them have at least one stable isotope.
What mixture is made up of chemical elements and compounds that is commonly called air?
I believe it is about 70 percent nitrogen, 10 percent oxygen, and 20 percent carbon dioxide. If anybody knows differently, please correct this.
What are the chemical make-up elements on the sun?
hydrogen and helium The sun consists of 71 % Hydrogen, 27 % Helium, 1 % Oxygen and the last percent is made of Carbon, Nitrogen, Silicon, Magnesium, Neon, Iron and Sulfur.
Why are clouds considered to be part of the hydrosphere?
It's because they have 97 percent of salted water and 2 percent of iced water and only 1 percent of freshwater
Why are clouds considered to be a part of the hydrosphere?
It's because they have 97 percent of salted water and 2 percent of iced water and only 1 percent of freshwater
What are the elements of percent?
percentile
What chemical elements compose more than 98 percent of the sun?
Together, hydrogen and helium make up most of the Sun. I guess that would be over 98%.
Why is nitrogen present in 72 percent of the atmosphere?
Because it is inert and does not react with most of the other elements found on earth.
Why are most cells 70 percent water?
because most of the chemical reactions that happen in your metabolism happen in water.
