Chemistry问题1:An element is a substance that is made up of only one kind of atoms.One kind是指同一个的atom,还是Metal或者non-metal两大类中的一类?2:an element=an atom?有什麼分别?最好举个例子. 相关知识点: 试题来源: 解析 1.化学元素是根据原子核电荷的多少对原子进行分类的一种方法,把核...
Which particles in the atom of an element designate the atomic number? Is a single atom or a single molecule considered a substance? What are the electrons in the outermost shell of an atom called? What is an atom that has a different number of neutrons than other atoms of the sa...
A molecule B element C compound D atom Video Solution free crash course Study and Revise for your exams Unlock now | ShareSave Answer Step by step video & image solution for When the particles of a substance contain only one type of atoms, that substance is called a/an by Chemistry experts...
2No matter what substance it may be, it is ___ atom. A.resulted fromB.formedC.made up ofD.made up with 3 No matter what substance it may be, it is ___ atom. A.resulted from B.formed C.made up of D.made up with 4No matter what substance it may be, it is___ atom. ...
Removing the applied electric field allows the electrons in the dielectric to return to their normal distribution around the nuclei to which they’re attached, or the molecules in the substance to return to their original random orientation or shape. In the process of so doing, most of the ...
百度试题 结果1 题目6 Which substance does not contain an atom that has an unpaired electron?D A$$ C l O _ { 2 } $$ B NO C$$ N O _ { 2 } $$ D$$ N _ { 2 } O $$ 相关知识点: 试题来源: 解析 D 反馈 收藏
damages to mitochondrial function are important indicators of drug-mediated liver, cardiac and neurological disfunctions. Therefore, the integration of this test into the toxicology studies would allow a better evaluation of the drug side effects and improve the chemical substance synthesis upstream the ...
A semiconductor is a substance that can act as a conductor or insulator depending on other factors, enabling it to serve as a foundation for computers and other electronic devices. The term semiconductor is now widely associated with integrated circuits. ...
If atoms of a substance absorb ultraviolet light and emit red light, what becomes of the missing energy?Conservation of Energy:One of the consequences of the conservation of energy principle is the fact that energy cannot be created nor can it be destroyed....
Climate change and global warming problem are becoming the serious issue and some action is necessary in order to mitigate the rising temperature. CO2increase is one of the reason for temperature rise, and the technology to convert CO2to beneficial energy or chemical substance could be one of the...