When an electron jumps from one atom to another, 2 ions of opposite charge are generated; these ions are held together by mutual attraction forming a __________________.
举一反三
- Which of the following is most likely the basic process attended to and adjusted by acid-base mechanisms in the body? A: Generation of hydrogen ions in the body B: Generation of hydroxide ions in the body C: Pumping out of potassium ions from cells D: Generation of chloride ions in the stomach
- If we feel for the writing jumps from one idea to another idea,it means the logical relationship among sentences is clear.
- When moving from one idea to another, people should remember to __________.
- 33. When a feature distinguishes one phoneme from another it is a __________ ____feature.
- There are two factors influencing the density of material. A: Atomic weight B: Atomic size C: How the atoms/ions are stacked D: How the atoms/ions are bonded