Concept explainers
(a)
Interpretation:
An element that corresponds to the electron configuration
Concept introduction:
The elements in a modern periodic table are arranged in increasing order according to their
Answer to Problem 79E
An element that corresponds to the electron configuration
Explanation of Solution
Electronic configuration tells about the arrangement of an electron in each subshell and orbit of an atom. The electronic configuration of an element is
An element that corresponds to the electron configuration
(b)
Interpretation:
An element that corresponds to the electron configuration
Concept introduction:
The elements in a modern periodic table are arranged in increasing order according to their atomic number. In the modern periodic table, the horizontal rows are known as periods, and the vertical columns are known as groups. There are seven periods and eighteen groups in the modern periodic table.
Answer to Problem 79E
An element that corresponds to the electron configuration
Explanation of Solution
Electronic configuration tells about the arrangement of an electron in each subshell and orbit of an atom. The electronic configuration of an element is
An element that corresponds to the electron configuration
(c)
Interpretation:
An element that corresponds to the electron configuration
Concept introduction:
The elements in a modern periodic table are arranged in increasing order according to their atomic number. In the modern periodic table, the horizontal rows are known as periods, and the vertical columns are known as groups. There are seven periods and eighteen groups in the modern periodic table.
Answer to Problem 79E
An element that corresponds to the electron configuration
Explanation of Solution
Electronic configuration tells about the arrangement of an electron in each subshell and orbit of an atom. The electronic configuration of an element is
An element that corresponds to the electron configuration
(d)
Interpretation:
An element that corresponds to the electron configuration
Concept introduction:
The elements in a modern periodic table are arranged in increasing order according their atomic number. In the modern periodic table, the horizontal rows are known as periods, and the vertical columns are known as groups. There are seven periods and eighteen groups in the modern periodic table.
Answer to Problem 79E
An element that corresponds to the electron configuration
Explanation of Solution
Electronic configuration tells about the arrangement of an electron in each subshell and orbit of an atom. The electronic configuration of an element is
An element that corresponds to the electron configuration
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Chapter 4 Solutions
INTRODUCTORY CHEMISTRY-STD.GDE.+SOL.MAN
- 6.55 Explain why the s block of the periodic table contains two columns, the p block contains six columns, and the d block contains ten columns.arrow_forwardwhat is the element symbol for the following electron configuration? 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^6 (Please type answer)arrow_forwardPeriodic table trends multiple choice: 1. What is the effective nuclear charge that a valence electron in a phosphorus atom experiences? a) 15+ , b) 13+, c) 5+, d) 2+ 2. Which of the following is false? a) The nuclear charge is equivalent to the number of electrons , b) Electrons in an atom repel each other , c) Electrons in an atom are attracted to the nucleus , d) Shielding electrons prevent outer electrons from feeling the full nuclear charge. 3. In which of the following pairs does the first atom have a greater electron affinity than the second? a) P and S , b) Na and Mg , c) N and P , d) Se and S 4. Which of the following is isoelectronic to the chloride ion, Cl-? a) Ne atom , b) fluoride ion (F-) , c) sodium ion (Na+) , d) sulphide ion (S-2) 5. Consider the following elements: P, Na, N. Which of the following places these elements in order of increasing ionization energy (lowest to greatest)? a) P, Na, N b) Na, P, N c) Na, N, P d) N, Na, Parrow_forward
- Which of the following statements is not true? Group of answer choices Elements in the upper right hand corner of the periodic table have the least metallic character. Noble gases tend to have low ionization energies. Nonmetals tend to have high ionization energies. Elements in the lower left hand corner of the periodic table have the greatest metallic character. Metals tend to have low ionization energies.arrow_forwardSelect the BEST answer. A Se atom has a smaller atomic radius than a Ca atom because ___________. a.The original statement is FALSE. Se has a larger atomic radius than Ca. b. The outermost electrons in Se are in a higher energy sublevel than the outermost electrons in Ca. c. The Se nucleus contains more protons than the Ca nucleus. d.The Se atom is heavier than the Ca atom. e. The Se atom has more core electrons than the Ca atom.arrow_forwardWhich element listed below has the electron configuration [Kr]5s2 4d105p5? Group of answer choices A. Polonium B. Iodine C. Astatine D. Telluriumarrow_forward
- Part one arrange the following elements in increasing atomic radius potassium, cesium, sodium, hydrogen Part B.) increase the following elements in increasing atomic radius Lead, cesium, thallium, radonarrow_forwardSelect the best answer or answers from the choices given: Which set of terms best describes a proton? (a) negative charge, massless, in the orbital; (b) positive charge, 1 amu, in the nucleus; (c) uncharged, 1 amu, in the nucleus.arrow_forwardActivity I.I Making Your Own Periodic Table Make your own periodic table using the hypothetical elements that are given clues. Explain the word/s that will be formed if you arrange the symbols of the elements correctly. a) P and Pr both have one electron each. Pr has a bigger atomic size. b) Od, Ri, and E are in the same series as P, C, and I. In terms of atomic size, P is the biggest while C is the smallest. E is a metal while I is a non-metal. Od is smaller than Ri in atomic size. c) O has a bigger atomic size than E in the same group. Y is also a bigger atom than C in the same group. R is more nonmetallic than Pe but more metallic than Ti.arrow_forward
- Which element has 8 valence electrons? Group of answer choices helium neon oxygen potassiumarrow_forwardIf the electron cloud of a hydrogen atom was enlarged to the size of a sports statium, how large would the proton in the nucleus be? Group of answer choices The size of a grain of sand at the center of the field. The size of a marble at the center of the field. The size of a golf ball at the center of the field. The size of a soccer ball at the center of the field.arrow_forwardwhat do you think is the reason for a decreasing atomic radius within one period? answer choice below a)decreasing metallic character b)decreasing number of neutrons c)increasing number of protons d)increasing electronegativityarrow_forward
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