Concept explainers
(a)
Interpretation:
True and false
Ionization energy is the energy required to remove the most loosely held electron from an atom in the gas phase.
Concept Introduction:
In chemistry, the energy which is needed to eliminate an electron from an isolated molecule or atom is known as ionization energy which is also known as ionization potential.
(b)
Interpretation:
When an atom loses an electron, it becomes a positively charged ion.
Concept Introduction:
Atoms contain same number of protons and electrons and they are neutral in nature. An electrically charged particle that is ion produced by either adding electrons to a neutral atom results a negative ion or removing electrons from a neutral atom results a positive ion.
(c)
Interpretation:
Ionization energy is a periodic property because ground state electron configuration is a periodic property.
Concept Introduction:
The energy required to remove the most loosely held electron from an atom in the gas phase is known as ionization energy.
(d)
Interpretation:
Ionization energy generally increases going from left to right across a period of the periodic table.
Concept Introduction:
The energy required to remove the most loosely held electron from an atom in the gas phase is known as ionization energy.
(e)
Interpretation:
Ionization energy generally increases in going from top to bottom within a column in the periodic table.
Concept Introduction:
The energy required to remove the most loosely held electron from an atom in the gas phase is known as ionization energy.
(f)
Interpretation:
The sign of ionization energy is always positive, the process is always endothermic.
Concept Introduction:
The energy required to remove the most loosely held electron from an atom in the gas phase is known as ionization energy.
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Chapter 2 Solutions
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
- 2.42 What is a period in the periodic table? From what does it derive its name?arrow_forwardBe sure to answer all parts. The following graph depicts the relative magnitudes of the first five ionization energies of an atom. (a) Period 2 (b) Period 3 Energy (kJ/mol) (c) Period 4 (main group) IE₁ IE₂ IE3 Identify the element and write its complete electron configuration, based on the possible locations below. Element Electron Symbol Configuration IE4 IE5arrow_forwardBe sure to answer all parts. On the basis of their positions in the periodic table, select the atom with the larger atomic radius in each of the following pairs. (a) Na, Si: Si Na (b) Ba, Be: Ba Be (c) N, F: N F (d) Br, Cl: Br Cl (e) Ne, Kr: Kr Nearrow_forward
- A neutral atom has two electrons with n = 1, eight electrons with n = 2, eight electrons with n = 3, and two electrons with n = 4. Assuming this element is in its ground state, supply the following information:(a) atomic number(b) total number of s electrons(c) total number of p electrons(d) total number of d electrons(e) Is the element a metal, metalloid, or nonmetal?arrow_forward( a ) Eva l u a te t h e expre s s i o n s 2 * 1, 2 * 11 + 32,2 * 11 + 3 + 52, and 2 * 11 + 3 + 5 + 72. (b) How do the atomic numbers of the noble gases relate to the numbersfrom part (a)? (c) What topic discussed in Chapter 6 is thesource of the number “2” in the expressions in part (a)?arrow_forwardWrite the electron configuration for each of the following ions. (a) Sb3−Write the electron configuration for each of the following ions. (a) Sb^3− (b) Tl+ (c) Se2− (d) Si4+ (e) Cr6+arrow_forward
- Rubidium and bromine atoms are depicted at right. (a) What monatomic ions do they form? (b) What electronic feature characterizes this pair of ions, and which noble gas are they related to? (c) Which pair best represents the relative ionic sizes?arrow_forwardWrite the electron configuration for each element.(a) Cl (b) Si (c) Sr (d) Oarrow_forwardWrite electron configurations for each element.(a) Mg (b) P (c) Br (d) Alarrow_forward
- Introduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage LearningChemistry for Engineering StudentsChemistryISBN:9781337398909Author:Lawrence S. Brown, Tom HolmePublisher:Cengage Learning