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Concept explainers
a.
To determine:
The number of valence electrons present in
Introduction:
In a molecular or atomic orbital the electrons of an atom or molecule are distributed. This distribution of electrons is known as the electronic configuration of the atom or molecule. It is used to show the orbitals of an atom in its ground state. The valance electrons are those which are present in the outermost principle energy level.
b.
To determine:
The number of valence electrons present in
Introduction:
In a molecular or atomic orbital the electrons of an atom or molecule are distributed. This distribution of electrons is known as the electronic configuration of the atom or molecule. It is used to show the orbitals of an atom in its ground state. The valance electrons are those which are present in the outermost principle energy level.
c.
To determine:
The number of valence electrons present in
Introduction:
In a molecular or atomic orbital the electrons of an atom or molecule are distributed. This distribution of electrons is known as the electronic configuration of the atom or molecule. It is used to show the orbitals of an atom in its ground state. The valance electrons are those which are present in the outermost principle energy level.
d.
To determine:
The number of valence electrons present in
Introduction:
In a molecular or atomic orbital the electrons of an atom or molecule are distributed. This distribution of electrons is known as the electronic configuration of the atom or molecule. It is used to show the orbitals of an atom in its ground state. The valance electrons are those which are present in the outermost principle energy level.
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Chapter 3 Solutions
General, Organic, and Biological Chemistry (3rd Edition)
- Is it possible for the same Iwo elements to form more than one compound? Is this consistent with Dalton’s atomic theory? Give an example.arrow_forwardlton believed that atoms were indivisible. Thomson and Rutherford helped to show that this was not true. What if atoms were indivisible? How would this affect the types of reactions you have learned about in this chapter?arrow_forwardWhat are bus? How are ions formed from atoms? Do isolated atoms form ions spontaneously? To what do the termscationandanionrefer? In terms of subatomic particles, how is an ion related to the atom from which it is formed? Does the nucleus of an atom change when the atom is converted into an ion? How can the periodic table be used to predict what ion an element’s atoms will form?arrow_forward
- Scientists J. J. Thomson and William Thomson (Lord Kelvin) made numerous contributions to our understanding of the atom’s structure. Which subatomic particle did J. J. Thomson discover, and what did this lead him to postulate about the nature of the atom? William Thomson postulated what became known as the “plum pudding” model of the atom’s structure. What did this model suggest?arrow_forwardList some properties of a substance that would lead you to believe it consists of ions. How do these properties differ from those of nonionic compounds?arrow_forwardThe element P has the atomic number 12. Element Q has the atomic number 16. What is the formula of the compound formed when these two elements react together? a. P2Q b. PQ c. PQ2 d. PQ3arrow_forward
- Do questions 10,11,12 and 13. This is not graded. It’s a study guide.arrow_forwardIn chemical reactions, sodium (Na) is more likely to behave similarly to which element? a. Potassium (k) b. Magnesium (Mg) c. Fluorine (F) d. Iron (Fe)arrow_forwardCHEMISTRY 101 LECTURE NOTES 4. Give one example (atomic symbol and name) for each of the following. a. a main-group (representative) element in the second period b. an alkali metal c. a transition element in the fourth-period d. a lanthanide element 5. Write the formula for the compound of each of the following pairs of ions. a. Fe and CN b. K' and SO,² c. Li' and N³ d. Ca²² and P e. NH, and PO, 6. The following table gives numbers of electrons, protons, and neutrons in atoms or ions of a number of elements. Answer the following: (a) Which of the species are neutral? (b) Which are negatively charged? (c) Which are positively charged? (d) What are the conventional symbols for all the species? Atom or lon of Elenment B Number of electrons 10 18 28 Number of protons Number of neutrons 36 5. フ 19 30 35 20 36 46 7. Consider a hypothetical case in which the charge on a proton is twice that of an electron. Using this hypothetical case, and the fact that atoms maintain a charge of 0, how many…arrow_forward
- In the nitric oxide molecule (NO), which atom is expected to hold the partial negative charge? A. the N atom B. the O atom C. neither atom holds a partial negative chargearrow_forwardWrite the ion symbol for an atom with the given number of protons and electrons. a. 19 protons and 18 electrons b. 35 protons and 36 electrons c. 23 protons and 21 electronsarrow_forwardWhich pairs of elements will form ionic compounds? a. lithium and bromine c. calcium and magnesium b. chlorine and oxygen d. barium and chlorinearrow_forward
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