大约 42.2万 条结果
在新选项卡中打开链接
  1. -2
    • 根据 2 个来源
    A Se ion has a mass number of 78 and a charge of -2.
    Group 16 nonmetals (O, S, Se): charge of -2
  2. Ionic Charges of All Elements (List) - Periodic Table Guide

    网页2024年9月1日 · Ionic charge: When the atom loses or gains one or more electrons, the electric charge is generated (and an ion is formed). This electric charge generated on the ion is known as Ionic charge. When …

  3. Element Charges Chart – How to Know the Charge of an Atom

  4. Table of Common Charges of Chemical Elements

    网页2024年5月7日 · This table shows the most common charges for atoms of the chemical elements. You can use this table to predict whether an atom can bond with another atom. The charge on an atom is related to its …

  5. Selenium - Element information, properties and uses | Periodic Table

  6. 3.3: Predicting Charges of Ions - Chemistry LibreTexts

    网页Learn how to define ions, cations and anions, and how to use the periodic table to predict their charges. See examples, exercises and video explanations.

  7. 3.5: Ions and Ionic Compounds - Chemistry LibreTexts

  8. 4.7: Ions - Losing and Gaining Electrons - Chemistry LibreTexts

  9. What is the Ionic Charge of Selenium (Se)? And Why? - Knords …

  10. Finding the Ionic Charge of an Element - UMD

    网页When you are working with ionic compounds (they are called ionic because they consist of ions) you'll often need to determine the ionic charge. This is especially the case when you are writing formulas based on the chemical …

  11. Ionic Charge — Overview & Periodic Trend - expii

    网页An ionic charge is a positive or negative charge on an atom. The charge depends on the atom's electron configuration and the number of valence electrons. On the periodic table, elements in the same group have the …

  12. 某些结果已被删除