-
In an aqueous solution, he passes electric current and causes silver ions to deposit and form metallic silver.
在水溶液中，他接通电流，这得银离子,沉淀，并形成金属银。
-
Here is an example that shows some very, very metallic elements, groups one and two, and some non-metallic elements over here, five, six and seven.
举个例子,这个例子表明金属元素，第一族和第二族，与一些非金属元素,在这里，第五族，第六族，和第七族。
-
The strings are now metallic but sixteenth, seventeenth to eighteenth century they would have been made out of cat or sheep gut.
弦现在是金属的,但在十六,十七,到十八世纪,弦是用猫肠或羊肠线制作的
-
That is metallic sodium that would keep in kerosene so it doesn't react with the oxygen in the air.
金属钠应该保存在没有中,这样它就不会和空气中的氧气反应了。
-
That is what makes metal so fascinating, because metallic bonding allows the atoms to glide over one another without resulting in catastrophic failure.
所以这就使得金属具有了特别的性质，因为金属键使得原子可以,在彼此之间流动,而不会千万灾难性的后果。
-
Either that or you are dog lovers and you are offended by giving them metallic names.
就是你们作为狗的爱好者,觉得这些金属的名字冒犯了你们。
-
And this looks a lot like the average valence electron energy where the lowest values of electronegativity are in the metallic zone and the highest values of electronegativity are on the nonmetallic zone.
这看起来像是平均电子能,最低的电负性在,金属区最高的电负性在,非电子区。
-
And, in some instances, they can be made to behave more nearly metallic.
而且，在一些情况下，它们能表现出更接近金属的性质。
-
It makes sense. If this is metallic, it is a good electron donor.
这有意义了，如果这是金属，它就是也好的捐赠者。
-
In 13th century India, they knew how to isolate metallic zinc.
在13世纪的印度，我们知道了如何提取金属锌。
-
So, for example, in an electrochemical cell, it would be possible to take the sodium ion, give back its electron, and convert it into a metallic sodium, take the chloride ion, remove its electron, and restore chlorine gas.
所以，例如一个电化学的电池，它可能带有钠离子，让它得到电子，把它变成金属钠，得到氯离子，让它失去电子，作为氯气储存。
-
Metallic sodium is toxic to humans.
金属钠有毒性。
应用推荐