Answer:
air conditioning
Explanation:
Ionic compounds are electrically neutral because they consist of positive and negative ions that combine to balance out the charges, resulting in a neutral overall charge. An example is Sodium Chloride(NaCl), where Sodium (Na+) and Chlorine (Cl-) ions combine to form a neutral compound.
Ionic compounds are electrically neutral because of the way they are structured. They consist of positive and negative ions that combine in a way that the total positive charge from the cations (positive ions) is equal to the total negative charge from the anions (negative ions). This balance of charges ensures that the overall charge of the compound is neutral.
For instance, in the case of Sodium Chloride (NaCl), sodium (Na) gives one electron to chlorine (Cl) creating Na+ (a cation) and Cl- (an anion). Since they have opposite charges, they attract each other and form an ionic bond, resulting in an overall neutral compound as the charges balance out.
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Ionic compounds are electrically neutral because the total number of positive charges of the cations equals the total number of negative charges of the anions. The formula of an ionic compound represents the simplest ratio of the numbers of ions necessary to give identical numbers of positive and negative charges.
In every ionic compound, the total number of positive charges of the cations equals the total number of negative charges of the anions. Thus, ionic compounds are electrically neutral overall, even though they contain positive and negative ions. We can use this observation to help us write the formula of an ionic compound. The formula of an ionic compound must have a ratio of ions such that the numbers of positive and negative charges are equal.
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Answer:
The formula used to calculate heat of fusion:
q = m·ΔH f
(2) a diatomic molecule
(3) a heterogeneous mixture
(4) a homogeneous mixture
Gold can be flattened into an extremely thin sheet. The malleability of gold is due to the
(1) radioactive decay mode of the isotope Au-198
(2) proton-to-neutron ratio in an atom of gold
(3) nature of the bonds between gold atoms
(4) reactivity of gold atoms
The structure of the stigma aid in the pollination as the stigma is to trap the pollen and let it down on to the ovary.
The structure of the stigma aids in the pollination because the trap pollen and will go down to the long tube and on to the ovary. Once the pollen transferred to the stigma, the process is the fertilization.
The process of the fertilization will be allowing the pollen grains to the germination on the stigma. The stigma contains the wet and the sticky coating this lets the rehydrate the dry pollen. The process helps the pollen move down to ovary and the pollination occur.
To learn more about pollination here
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