Answer:
The addition or subtraction of an electron and change ions to have a positive or negative charge. So, if and ion with an equal amount of protons and electrons gains an electron, it becomes negatively charged.
Explanation:
The correct option is (d) Nonane.
Nonane parent chain of the following compound.
<h3>What are hydrocarbons?</h3>
Hydrocarbons are any of a group of organic compounds that exclusively contain the elements carbon (C) and hydrogen (H) (H). The structural framework of the molecule is formed by a number of interactions between the hydrogen and carbon atoms.
<h3>What is hydrocarbon made of?</h3>
Hydrocarbons, which are only composed of carbon and hydrogen, make up the majority of crude oil, refined petroleum hydrocarbons (including gasoline, diesel, kerosene, fuel oil, and lubricating oil), coal tar, creosote, dyestuff, and pyrolysis waste products.
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Answer:
Explanation:
An independent variable is a variable in which does not rely on how other variables. It is usually cause in an experiment. From Sara Lilia experiment, we can identify the different music genres as her independent variable.
The dependent variable here is her ability to concentrate in her study. Here, we should know that the dependent variable is often the result of the effects of the independent variable.
There is no control in the experiment. In the controlled set up, we would have put all other know factors that would make concentrations easier into consideration. It could be the environment, the arrangement of the room and a particular time of the day. None of such was stated in the experiment.
The constant variable is the variable that was held fixed throughout the experimental procedure. Here the time of study was fixed at 5minutes. What would happen to concentration if this time was shorter or much more?
Concept:
When an atom has incomplete number of electron in its outermost orbit then it has great tendency to react with another atom which satisfies their octate either by sharing or by transferring their electrons. The involved electrons are called valence electrons.
In case of electrovalent compound, the valance electron complete their octate by transferring their valence electrons while in the covalent compound, they complete their octate by the sharing of their valence electrons.
Hence, the valence electron of the atom is involved in chemical bonding with other atoms.