Answer:
b bitter
Explanation: can i have brainlist please
Answer:
A Half Life
Explanation:
The half life is the time it takes for the substance to become reduced by half as a consequence of decay.
0.9mole of Fe
Explanation:
Given parameters:
Mass of Fe = 50g
Unknown:
Number of moles of iron = ?
Solution:
The number of moles is the particle that contains the avogadro's number of particles.
It is a unit for reporting chemical measurement.
To find the number of moles of a substance;
Number of moles =
Molar mass of Fe= 56g/mol
Number of moles = = 0.9mole of Fe
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Answer: Option (b) is the correct answer.
Explanation:
A covalent bond is defined as the bond that is formed by sharing of electrons between the two chemically combining atoms.
For example, in a molecule.
As the valency of each carbon atom is 4, valency of each hydrogen atom is 1, and valency of each oxygen atom is 2.
So, in each one outermost electron of carbon atom is shared by each one outermost electron of hydrogen atom.
The fourth outermost electron is shared by one outermost electron of oxygen atom and the other outermost electron of oxygen atom is shared by the hydrogen atom of -OH.
Hence, we can conclude that there are total 5 covalent bonds present in the formation of methyl hydroxide ( or methanol).