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: ...
Electron configuration and the abbreviated version is a way to describe the way to arrange electrons with different energy level around atoms, cations, and ions. The electron configuration is one main reason to explain the chemical properties of elements. ...
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...
The electronic configurations of elements A and B are given below: Since the outermost shell of element A is completely filled, it is stable and unreactive. The outermost shell of element B contains one electron only. Hence, it is more reactive.
What name is given to the elements with atomic numbers greater than 92?Choose the BEST answer to the following. Which of these three elements has the most mass? (a) Hydrogen. (b) Iron. (c) Uranium. (d) Same in each.Which element has ...
an essential material for your kitchen. However, this article isn’t about the mixer but one of its necessary accessories, the bowl. We will review the seven best ceramic kitchenaid bowls for the KitchenAid mixer; there are bowls of other materials, like stainless steel and glass element. ...
In addition, the 2nd coiled conductor (L2) with the 4th coiled conductor (L4) with the 2nd antenna terminal area which is the node (J2) the low-pass filter (29) through, the antenna component (10) is jointed.石塚 健一加藤 登
Identify the date and time you will post each piece of content. Delegate responsibilities. Identify who in your team will be responsible for each element and when they need to complete it. Track and review. Monitor each piece of content to identify what your target audience responds best to....
Student eye movements were tracked to measure factors such as focus duration, the time it took to return to the main task, performance (including procedural mistakes), and the length of time the gaze was held on the disruptive element. The NASA Task Load Index was instrumental in determining ...
What kind of metal is Cu? (a) Transition metal (b) alkaline earth metal (c) alkali metal. Which of the following elements does not form ions with a +1 charge? (a) hydrogen (b) silver (c) barium (d) copper (e) gold Which transition element contains only one...