Concept explainers
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(a)
Interpretation: The formula of the ion for the element with
Concept introduction: In a neutral atom, the number of electrons present are equal to protons. These two are also equivalent to the atomic number in case of neutral atoms. The electrons of an atom are represented by using the electronic configurations. The gain or loss of electrons takes place by atom in order to have the stability by acquiring complete octet.
(b)
Interpretation: The formula of the ion for the element with atomic number
Concept introduction: In a neutral atom, the number of electrons present are equal to protons. These two are also equivalent to the atomic number in case of neutral atoms. The electrons of an atom are represented by using the electronic configurations. The gain or loss of electrons takes place by atom in order to have the stability by acquiring complete octet.
(c)
Interpretation: The formula of the ion for the element with atomic number
Concept introduction: In a neutral atom, the number of electrons present are equal to protons. These two are also equivalent to the atomic number in case of neutral atoms. The electrons of an atom are represented by using the electronic configurations. The gain or loss of electrons takes place by atom in order to have the stability by acquiring complete octet.
(d)
Interpretation: The formula of the ion for the element with atomic number
Concept introduction: In a neutral atom, the number of electrons present are equal to protons. These two are also equivalent to the atomic number in case of neutral atoms. The electrons of an atom are represented by using the electronic configurations. The gain or loss of electrons takes place by atom in order to have the stability by acquiring complete octet.
(e)
Interpretation: The formula of the ion for the element with atomic number
Concept introduction: In a neutral atom, the number of electrons present are equal to protons. These two are also equivalent to the atomic number in case of neutral atoms. The electrons of an atom are represented by using the electronic configurations. The gain or loss of electrons takes place by atom in order to have the stability by acquiring complete octet.
(f)
Interpretation: The formula of the ion for the element with atomic number
Concept introduction: In a neutral atom, the number of electrons present are equal to protons. These two are also equivalent to the atomic number in case of neutral atoms. The electrons of an atom are represented by using the electronic configurations. The gain or loss of electrons takes place by atom in order to have the stability by acquiring complete octet.
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Chapter 2 Solutions
Chemical Principles
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- The formulasNa2O andN2O look very similar. What is the name for each compound? Why do we use a different naming convention between the two compounds?arrow_forwardContrast the two general types of chemical compounds in terms of their general physical properties.arrow_forwardName each of the following binary compounds, using the periodic table to determine whether the compound is likely to be ionic (containing a metal and a nonmetal) or nonionic (containing only nonmetals). Fe3P2d.PbCl4 CaBr2e.S2F10 N2O5f.Cu2Oarrow_forward
- These questions concern the work of J. J. Thomson: From Thomson’s work, which particles do you think he would feel are most important in the formation of compounds (chemical changes) and why? Of the remaining two subatomic particles, which do you place second in importance for forming compounds and why? Come up with three models that explain Thomson’s findings and evaluate them. To be complete you should include Thomson’s findings.arrow_forwardZinc phosphate is used as a dental cement. A 50.00-mg sample is broken down into its constituent elements and gives 16.58 mg oxygen, 8.02 mg phosphorus, and 25.40 mg zinc. Determine the empirical formula of zinc phosphate.arrow_forwardThe element europium exists in nature as two isotopes: 151Eu has a mass of 150.9196 u and 153Eu has a mass of 152.9209 u. The average atomic mass of europium is 151.96 u. Calculate the relative abundance of the two europium isotopes.arrow_forward
- For the following processes that show the formation of ions, use the periodic table to indicate the number of electrons and protons present in both theionand theneutral atomfrom which the ion is made. a.CaCa2++2e b.P+3eP3 c.Br+eBr d.FeEe3++3e e.AlAl3++3e f.N+3eN3arrow_forwardWhich of the following statements is/are always true? Never true? Usually true? (a) Compounds containing chlorine can be either molecular or ionic. (b) An ionic compound always has at least one metal. (c) When an element in a molecule has a di prefix, it means that the element has a +2 charge.arrow_forwardFor each of the following pairs of ions, write the formula of the compound they will form: K+,O2 NH4+,PO43 Al3+,O2 Na+,O32 Ba2+,PO43arrow_forward
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