Skip to main content
Ch.8 - Periodic Properties of the Elements
Tro - Chemistry: A Molecular Approach 4th Edition
Tro4th EditionChemistry: A Molecular ApproachISBN: 9780134112831Non è quello che usi tu?Cambia libro di testo
Capitolo 8, Problema 74

Choose the element with the higher first ionization energy from each pair. a. P or I b. Si or Cl c. P or Sb d. Ga or Ge

Guida verificata passo dopo passo
1
Ionization energy is the energy required to remove an electron from an atom in the gaseous state.
Generally, ionization energy increases across a period (left to right) and decreases down a group (top to bottom) in the periodic table.
a. Compare P (Phosphorus) and I (Iodine): P is above I in the periodic table, so P has a higher ionization energy.
b. Compare Si (Silicon) and Cl (Chlorine): Cl is to the right of Si in the same period, so Cl has a higher ionization energy.
c. Compare P (Phosphorus) and Sb (Antimony): P is above Sb in the same group, so P has a higher ionization energy.

Risposta video verificata per un problema simile:

Questa soluzione video è stata consigliata dai nostri tutor come utile per risolvere questo problema.
Durata del video:
6m

Concetti chiave

Ecco i concetti essenziali che devi comprendere per rispondere correttamente alla domanda.

Ionization Energy

Ionization energy is the energy required to remove an electron from a gaseous atom or ion. It is a key indicator of how strongly an atom holds onto its electrons. Generally, ionization energy increases across a period in the periodic table due to increasing nuclear charge and decreases down a group due to increased distance from the nucleus and electron shielding.
Video consigliato:
Percorso guidato
01:19
Ionization Energy

Periodic Trends

Periodic trends refer to the predictable patterns observed in the properties of elements as you move across or down the periodic table. For ionization energy, elements on the right side of the table (like Cl) typically have higher ionization energies than those on the left (like Si), while elements higher up in a group have higher ionization energies than those lower down (like P compared to Sb).
Video consigliato:
Percorso guidato
00:38
Periodic Trends

Comparison of Elements

When comparing elements for their ionization energies, it is essential to consider their positions in the periodic table. Elements in the same group exhibit similar properties, but the one higher up will usually have a higher ionization energy. Additionally, comparing elements from different groups requires understanding their electronic configurations and the effective nuclear charge experienced by their outermost electrons.
Video consigliato:
Percorso guidato
02:35
Elemental Forms of Elements