Which element is likely to be the most reactive metal in the periodic table? A. Hydrogen. B. Oxygen. C. Sodium. D. Gold. 相关知识点: 试题来源: 解析 C。在元素周期表中,钠是一种活泼的金属。氢不是金属;氧是非金属;金不活泼。反馈 收藏 ...
The element sodium (Na) is highly reactive. Which of the following properties is mainly related to its high reactivity? A. It has a low melting point B. It has one valence electron C. It is a soft metal D. It has a silvery - white color 相关知识点: ...
更新1: One last question... If the first element of group 1 pares to the last element of group 2... Which is more reactive? And which element of group 2 equals to the reactivity of any element in group 1? For example Ba = Na?? Just for an example..Your question is...
In the periodic table, the element with the lowest electronegativity (i.e. the most electropositive element) iscesium. In fact, cesium belongs to... Learn more about this topic: Electronegativity | Definition, Importance & Examples from
Which of the following is the least electronegative element? a. F b. Cl c. Br d. I Which element has the lowest electronegativity? a) Be b) F c) Si d) Cl e) Mg In each of the following groups, which element is the most electronegative? Which is the least ...
Inflammatory bowel disease (IBD), a chronic relapsing gastrointestinal inflammatory disease, mainly comprises ulcerative colitis (UC) and Crohn’s disease (CD). Although the mechanisms and pathways of IBD have been widely examined in recent decades, its
examined into the intestinal system. Claudin expression habits have, as an example, been found is impacted in disease and infection, or in cancer. Within the kidney, a deeper knowledge of the complexities plus the ramifications of claudin appearance alterations is just emerging. Little is well kno...
(SOPC) when it comes to real-time dimension associated with the optical dimensions and depolarization ratio (thought as the ratio associated with the vertical component to the synchronous element of backward scattering) of atmospheric particles, the polarization ratio (DR) worth can mirror the ...
What property is now used instead of atomic mass?What element has the second highest electronegativity?Match the following: 1. Sodium chloride (NaCl) 2. Oxygen (O_2) 3. Methane (CH_4) 4. Lithium 5. Air A. Element B. Solution C. Diatomi...
##EQU6## X1 is a ballasting group of sufficient size to render said compound immobile in an alkali-permeable layer of the photographic element or X1 is a photographically useful moiety which is an image dye-providing material or a photographic reagent; X2 is a group which, together with Q...