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How many protons does one atom have?
It varies. Every different element (ie every different substance) has a different number of protons in its atoms. eg Hydrogen atoms have one proton, Helium atoms have two protons, Lithium has three and so on up to 92 in nature.
What are the 3 least dense elements on the periodic table?
The three least dense elements on the periodic table are hydrogen, helium, and lithium. These elements have low densities because they consist of light atoms with few protons and neutrons in their nuclei.
How many hydrogen atoms in 2CH3CH2O?
2xH3 is 6 and 2xH2 is 4, therefore 10. Though CH3CH2O is not a molecule that exists (at least not anywhere near stably).
How many H atoms are present in a chemical formula?
By looking at an actual chemical formula for a compound, we could tell you how many hydrogen atoms there are per molecule (or at least per formula unit) of that compound.Without the specific chemical formula, we can't. So the question is meaningless ... how many hydrogen atoms are present in a chemical formula depends on what the chemical formula is.
What are the total number of hydrogen atoms represented in the following formula C6H10 OH6?
Assuming that your punctuation got eaten and you were trying to ask about C6H10(OH)6 ... There's no such compound. It has at least two more hydrogens than can possibly be made to fit. If it did exist, the answer would be 16.
What atoms is least likely to enter into a chemical reaction helium calcium hydrogen sodium or carbon?
Helium.
What is the least number of atoms in a compound?
A compound must have at least two atoms of different elements.
What happens to hydrogen at very high temperatures?
They are fused into helium and create energy. But it takes 4 hydrogen atoms to make 1 atom of helium. The Hydrogen is first converted to Deuterium (heavy hydrogen), and the two deuterium atoms fuse to make the Helium atom. This process releases a lot of energy, not the least because of the neutrons released. Lol
What is nuclear fusion in the Sun?
This is the fusing of hydrogen atoms to form helium atoms, and in some cases heavier elements as well. The dominant reaction in our Sun is the combining of hydrogen isotope atoms to form helium atoms. Deuterium atoms, which are hydrogen atoms which have a neutron, are forced together to form a helium atom, which is two protons and two neutrons, and some energy is produced. The Sun is slowing using up its supply of hydrogen, but there is enough to last for at least another two or three billion years.
How many protons an atoms have?
"As many as it has electrons" (if there are a different number of protons to electrons then it has a net charge and it is an ion, not an atom)All atoms have at least one proton.The number of protons defines which atom it is, hydrogen atoms have 1 proton, helium atoms have 2, lithium 3 and so on...And it depends what the atomic number is.
Is the element with the least atomic mass hydrogen or is it helium?
The answer is Hydrogen.
How many protons does one atom have?
It varies. Every different element (ie every different substance) has a different number of protons in its atoms. eg Hydrogen atoms have one proton, Helium atoms have two protons, Lithium has three and so on up to 92 in nature.
Do high temperatures break hydrogen bonds?
They are fused into helium and create energy. But it takes 4 hydrogen atoms to make 1 atom of helium. The Hydrogen is first converted to Deuterium (heavy hydrogen), and the two deuterium atoms fuse to make the Helium atom. This process releases a lot of energy, not the least because of the neutrons released. Lol
How are helium and hydrogen different?
Hydrogen and helium, both gasses, differ greatly in:the number of protons and electrons (1 or 2),the number of neutrons (0 or 2),their Atomic Mass 1.0 or 4.0 ,and not at least in their reactivity (highly explosive or inert).
What are the 3 least dense elements on the periodic table?
The three least dense elements on the periodic table are hydrogen, helium, and lithium. These elements have low densities because they consist of light atoms with few protons and neutrons in their nuclei.
Which of these elements have the least number of neutrons helium carbon gold uranium?
Helium has the least number of neutrons among the elements listed.
What is the element with the least atomic mass is hydrogen or helium?
Hydrogen's atomic mass (1 amu for the most stable isotope) is less than that of helium (4 amu).
