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John Dalton in 1803.

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What does the atomic structure of Water look like?

The atomic structure of water consists of one oxygen atom bonded to two hydrogen atoms. The oxygen atom is in the center, with the hydrogen atoms bonded at an angle of 104.5 degrees. This arrangement gives water its unique properties and allows it to form hydrogen bonds.


What is the first element for NaOH?

Na=Sodium. O=Oxygen. H=hydrogen.


Why does hydrogen pop louder when lit if it is first mixed with air?

The pop you hears is a result of the hydrogen reaction with oxygen. When it is mixed with air, all of the hydrogen is readily in contact with oxygen, and the reaction can proceed much more rapidly.


How many bonds between the oxygen and hydrogen in a hydroxide atom?

A hydroxide molecule has one bond between the oxygen and hydrogen atoms. The hydrogen atom donates its electron to form a bond with the oxygen atom, resulting in a covalent bond between the two atoms.


What is the element h2o?

H2O means that there are 2 Hydrogen molecules bonded to 1 Oxygen molecule. I might add that H2O is the chemical symbol for water. Answer I would like to add that technically H2O Is a compound and not an element.


What is the man recognized Oxygen and hydrogen?

Joseph Priestley was the man who first discovered oxygen, or as he called it "dephlogisticated air", back in the 18th Century


What was the first element used by humans?

Oxygen was the first element used by humans the most prominent elements in the body are hydrogen OXYGEN nitrogen and carbon. You have probably heard that you body is made up of 65 percent water well you are also made up of 65 percent oxygen. I know that does not equal 100 percent but water is H2O which is hydrogen squared and Oxygen. Oxygen is in water. We need oxygen to live.


What volume of oxygen will remain after reacting 8cm3 of hydrogen with 20cm3 of oxygen?

To determine the volume of oxygen remaining after the reaction, we first need to determine the stoichiometry of the reaction. The balanced chemical equation for the reaction of hydrogen and oxygen is 2H2 + O2 -> 2H2O, meaning 2 volumes of hydrogen react with 1 volume of oxygen to produce 2 volumes of water vapor. Since the reaction ratio is 2:1 for hydrogen to oxygen, the 8cm3 of hydrogen will react with 4cm3 of oxygen. Therefore, the initial 20cm3 of oxygen minus the 4cm3 used in the reaction leaves 16cm3 of oxygen remaining.


Can we produce water from reacting hydrogen with oxygen?

We could. We usually don't, because most hydrogen is produced by electrolysis from water in the first place. But we could if we found ourselves with an excess of hydrogen and a deficit of water for some reason.


Which were the first gases formed?

helium,ozone,hydrogen,oxygen,nitrogen,carbon-di-oxide,argon,


Which atom should be balanced last when balancing hydrocarbon combustuion reactions?

Hydrogen atoms are typically balanced last when balancing hydrocarbon combustion reactions because they are usually the most abundant and straightforward to adjust. It is best to first balance the carbon atoms, then the hydrogen atoms, and finally the oxygen atoms in the reaction.


What happened when the splint was brought to the mouth of the first bottle of hydrogen collected?

When the splint was brought to the mouth of the first bottle of hydrogen collected, the hydrogen gas ignited with a pop sound, indicating that hydrogen is a highly flammable gas. This reaction is due to the combination of hydrogen gas with oxygen in the air, creating water vapor.