C&EN1 年
Lesson 4.4: Energy Levels, Electrons, and Covalent Bonding
The atoms bond because there is a strong enough attraction in both directions and room for the electrons in the outer energy level of the atoms. When two hydrogen atoms and an oxygen atom get close ...
C&EN1 年
Lesson 5.1: Water is a Polar Molecule
The electron cloud model shows that electrons are not shared equally in the water molecule. Electrons are a bit more attracted to the oxygen atom than they are to the hydrogen atoms. This makes the ...
来自MSN2 个月
First Ever Video Of Hydrogen And Oxygen Becoming Water At A Molecular Level Has Been Captured
Just about everyone knows that water is H2O, meaning two hydrogen atoms and one oxygen atom. What might surprise people is that scientists have never before been able to actually watch hydrogen ...
BBC3 年
Atoms and molecules
In one molecule of water, there are two hydrogen atoms and one oxygen atom. Particle diagrams can also show the ratio of atoms of each element in a compound which in turn can tell us the formula o ...
BBC2 年
Atoms and molecules
In one molecule of water, there are two hydrogen atoms and one oxygen atom. Particle diagrams can also show the ratio of atoms of each element in a compound which in turn can tell us the formula o ...