(a)
Interpretation:
Set of elements
Concept Introduction:
In periodic table elements are arranged in increasing order of their
Ionization energy is measure of how difficult it is to remove the most loosely held electron from an atom in the gaseous state, higher the difficulty in removing the atom; higher will be the ionization energy.
(b)
Interpretation:
Set of elements
Concept Introduction:
In periodic table elements are arranged in increasing order of their atomic number, there are total 18 columns and 7 rows in periodic table, elements of each column show similar properties.
Ionization energy is measure of how difficult it is to remove the most loosely held electron from an atom in the gaseous state, higher the difficulty in removing the atom; higher will be the ionization energy.
(c)
Interpretation:
Set of elements
Concept Introduction:
In periodic table elements are arranged in increasing order of their atomic number, there are total 18 columns and 7 rows in periodic table, elements of each column show similar properties.
Ionization energy is measure of how difficult it is to remove the most loosely held electron from an atom in the gaseous state, higher the difficulty in removing the atom; higher will be the ionization energy.
(d)
Interpretation:
Set of elements
Concept Introduction:
In periodic table elements are arranged in increasing order of their atomic number, there are total 18 columns and 7 rows in periodic table, elements of each column show similar properties.
Ionization energy is measure of how difficult it is to remove the most loosely held electron from an atom in the gaseous state, higher the difficulty in removing the atom; higher will be the ionization energy.
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Introduction to General, Organic and Biochemistry
- 2-89 Assume that a new element has been discovered with atomic number 117. Its chemical properties should be similar to those of astatine (At). Predict whether the new element’s ionization energy will be greater than, the same as, or smaller than that of: (a)At (b)Raarrow_forward2-64 Consider the elements B, C, and N. Using only the Periodic Table, predict which of these three elements has: (a) the largest atomic radius. (b) the smallest atomic radius. (c) the largest ionization energy (d) the smallest ionization energyarrow_forward2-51 What is the correlation between the group number of the main-group elements (those in the A columns of the Mendeleyev system) and the number of valence electrons in an element in the group?arrow_forward
- 2-44 Which period(s) in the Periodic Table contain(s) more nonmetals than metals? Which contain(s) more metals than nonmetals?arrow_forward2-12 The elements game, Part 1. Name and give the symbol of the element that is named for each person. (a) Niels Bohr (1885—1962), Nobel Prize for physics in 1922 (b) Pierre and Marie Curie, Nobel Prize for chemistry in 1903 (c) Albert Einstein (1879—1955), Nobel Prize for physics in 1921 (d) Enrico Fermi (1901—1954), Nobel Prize for physics in 1938 (e) Ernest Lawrence (1901—1958), Nobel Prize for physics in 1939 (f) Lise Meitner (1868—1968, codiscoverer of nuclear fission (g) Dmitri Mendeleyev (1834—1907), first person to formulate a workable Periodic Table h) Alfred Nobel (1833—1896), discoverer of dynamite (i) Ernest Rutherford (1871—1937), Nobel Prize for chemistry in 1908 (j) Glen Seaborg (1912—1999), Nobel Prize for chemistry in 1951arrow_forward2-47 Which element in each pair is more metallic? (a) Silicon or aluminum (b) Arsenic or phosphorus (c) Gallium or germanium (d) Gallium or aluminumarrow_forward
- 2-91 These are the first two ionization energy for lithium: Li(g) Li+(g) + e-(g) Ionization energy = 523 kJ/mol Li+(g) Li2+(g) + e-(g) Ionization energy = 7298 kJ/mol (a) Explain the large increase in ionization energy that occurs for the removal of the second electron. (b) The radius of Li is 78 pm (1 pm = 10-12 m) while that of a lithium atom, Li, is 152 pm. Exp lain why the radius of Li is so much smaller than the radius of Li.arrow_forward2-43 Which group(s) of the Periodic Table contain(s): (a) Only metals? (b) Only metalloids? (c) Only nonmetals?arrow_forward2-94 Using your knowledge of trends in element sizes in going across a period of the Periodic Table, exp lain why the density of the elements increases from potassium through vanadium. (Recall from Section 1-7 that specific gravity is numerically the same as density but has no units.) Element Specific Gravity K 0.862 Ca1.55 Se 2.99 Ti 4.54 V 6.11arrow_forward
- 2-67 Account for the fact that the first ionization energy of oxygen is less than that of nitrogen.arrow_forward2-99 A 7.12 g sample of magnesium is heated with 1.80 g of bromine. All the bromine is used up, and 2.07 g of magnesium bromide is produced. What mass of magnesium remains unreacted?arrow_forward
- Introduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage Learning