Hopefully the resulting QSAR will lead to an___of the molecular features/properties most important in derterming activity, and guide the___of biological activity within the compound series. 发现了新的药物分子是一个长期的,昂贵的,曲折的过程没有成功的保证。显然,出了几乎无限多的可能,只有有限的...
Answer to: (a) What are the properties of elements and compounds? (b) How are properties of a compound related to elements that comprise it? By...
This chapter discusses the properties of A-15 compounds and one-dimensionality. Weger's suggestion that in these compounds some unexpected small parameter exists is used in the chapter. This parameter allows considering electrons of the transition atom chains in the first approximation as one-...
and by becoming familiar with the behavior of acids as a distinct class, we are at once aware of the general properties of the compound2. A great many of the compounds we are to study may be classified as acids, bases, salts, metallic oxides, or nonmetallic oxides. Of these five ...
Covalent Compound:Covalent compounds are formed when electrons are shared between the atoms and due to this sharing of electrons, they exhibit unique physical properties as compared to ionic compounds.Answer and Explanation: Some of the main properties of covalent compounds are : 1. Covalent ...
1(b)Complete the following sentences about compounds using words from the list below.chemically different fixed mixed physically similar A compound is a substance which consists of two or more different elements combined together.The properties of a compound are. from those of the elements from ...
D. A strict assumption and a new requirement may have more probably helped. 点击查看答案&解析 2.单项选择题The combination of lenses in a compound microscope makes possible greater ()than can be achieved with a single lens. A. management ...
Answer to: Each scenario describes the properties of a substance. Based on the properties determine if the substance has ionic, covalent, or...
65 Words 1 Page Open Document There are many properties that distinguish an ionic compound from a covalent compound. The electrical conductivity of the compound when it is dissolved in water can assist in classifying the compound as ionic or molecular. If the compound possesses the qualification of...
copper sulfate / CusO.1(b)Complete the following sentences about compounds using words from the list below.chemically different fixed mixed physically similar A compound is a substance which consists of two or more different elementschemically.combined together.The properties of a compound are .dif...