(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_forward2-47 Which element in each pair is more metallic? (a) Silicon or aluminum (b) Arsenic or phosphorus (c) Gallium or germanium (d) Gallium or aluminumarrow_forward2-67 Account for the fact that the first ionization energy of oxygen is less than that of nitrogen.arrow_forward
- 2-12 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_forward2-43 Which group(s) of the Periodic Table contain(s): (a) Only metals? (b) Only metalloids? (c) Only nonmetals?arrow_forward2-69 (Chemical Connections 2A) Why does the body need sulfur, calcium, and iron?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_forward2-99 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_forward2-102 An element consists of 90.51% of an isotope with a mass of 19.992 amu, 0.27% of an isotope with a mass of 20.994 amu, and 9.22% of an isotope with a mass of 21.990 amu. Calculate the average atomic mass and identify the element.arrow_forward
- 2-64 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_forwardArrange each set of atoms in order of decreasing IE₁:(a) Na, Li, K(b) Be, F, C(c) Cl, Ar, Na (d) Cl, Br, Searrow_forwardQ2. This question is about the periodicity of the Period 3 elements. (a) State and explain the general trend in first ionisation energy across Period 3. Give one example of an element which deviates from the general trend in first (b) ionisation energy across Period 3. Explain why this deviation occurs. Page 3 of 12 (c) The table shows successive ionisation energies of an element Y in Period 3. lonisation number 1 2 3 4 5 6 7 8 lonisation energy kJ mol- 1000 2260 3390 4540 6990 8490 27 100 31 700 Identify element Y Explain your answer using data from the table. (d) Identify the Period 3 element that has the highest melting point. Explain your answer by reference to structure and bonding.arrow_forward
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