They are more attracted by the oxygen atom than by the hydrogen atom.
Explanation:
In the polar bond of water which is made up of hydrogen and oxygen atoms, the shared electrons are more attracted by the oxygen atom than by the hydrogen atom.
The interatomic bond in water is a polar covalent bond.
In this bond type, two species shares their valence electrons.
The bond usually occurs between non-metals with an electronegativity difference that is small.
Oxygen is more electronegative compared to hydrogen.
- This implies that oxygen pulls the electron more closely to itself since it has a greater affinity.
- This leaves a partial negative charge on oxygen and a positive charge on hydrogen.
- The molecule is said to be polar covalent.
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Answer:
2 molecules of water represents 3.32 x 10^-24 moles of water.
Explanation:
To find the solution to this problem, you have to use the concept of Avogadro´s number, that is in 1 mol of any element o compound there are 6.022 x 10^23 molecules. Then,
1 mol H2O ------------- 6.022 x 10^23 molecules
x= 3.32 x 10^-24 ---- 2 molecules.
2 molecules of water represents 3.32 x 10^-24 moles of water.
Answer:
it's-B.....................
Answer:
When an atom loses electron(s) it will lose some of its negative charge and so becomes positively charged. A positive ion is formed where an atom has more protons than electrons. In the opposite case when an atom gains electron(s) it becomes negatively charged (more electrons than protons).
Explanation:
Decay is a type of degradation reaction and thus is considered a first order reaction. thus the formula goes like this.
rate constant= 0.693/half life
so here...
rate constant= 0.693/1620 year^-1
