大学MOOC 专门用途英语课程群(化学工程英语)(黄冈师范学院)1457884182 最新慕课完整章节测试答案
Unit3InorganicChemistry
文章目录
inorganicchemistry
1、单选题:
Nowadays, we discover that a substance is composed of molecules or ions, both of which are produced from ( ).
选项:
A: protons
B: atoms
C: particles
D: elements
答案: 【 atoms】
2、单选题:
An atom contains three particles---the positively charged ( ), uncharged neutron and negatively charged electron.
选项:
A: proton
B: ion
C: group
D: cation
答案: 【 proton】
3、单选题:
Elements in Periodic Table are arranged by atomic number, i.e., the specific number of ( ) in nuclei.
选项:
A: neutron
B: electron
C: proton
D: ion
答案: 【 proton】
4、单选题:
Group IA elements are frequently considered as ( ) because almost all their compounds are caustic or alkali.
选项:
A: metals
B: alkaline earth metals
C: alkali metals
D: alkali element
答案: 【 alkali metals】
5、单选题:
The element in Periodic Table can be broadly classified according to their ( ) properties into the major categories of metals, metalloids and nonmetals.
选项:
A: atom
B: chemical
C: physical
D: physical and chemical
答案: 【 physical and chemical】
6、单选题:
The ( ) of atoms decreases from left to right across a period in the periodic table. For example, on moving from lithium to beryllium, the number of charges on the nucleus is increased by one,
选项:
A: size
B: number
C: charge
D: electron
答案: 【 size】
7、单选题:
As the following shown, which one the corect name of "ClO- " ?
选项:
A: perchlorate
B: hypochlorite
C: chlorite
D: chlorate
答案: 【 hypochlorite 】
8、单选题:
As the following shown, which one the corect name of "H3PO4 " ?
选项:
A: phosphoric acid
B: phosphorous acid
C: perphosphoric acid
D: hypophosphorous acid
答案: 【 phosphoric acid 】
9、单选题:
A Brønsted-Lowry acid is a material capable of acting as a ( ) donor.
选项:
A: H3O+
B: e-
C: proton
D: positive charge
答案: 【 proton】
10、单选题:
Arrhenius bases are the compounds that cause the formation of the ( ) when placed in water.
选项:
A: hydroxide ion
B: oxide ion
C: cation
D: anion
答案: 【 hydroxide ion】
11、填空题:
An atom is the smallest__ __ of a chemical element.
答案: 【 particle】
12、填空题:
Atoms are composed of subatomic particles, including protons, , and electrons.
答案: 【 neutrons】
13、填空题:
One of the most well-known forms in the world is water.
答案: 【 molecular】
14、填空题:
Dalton recognized that the structure of atoms in a particular element or compound is__4_.
答案: 【 uniform】
15、填空题:
Amedeo Avogadro (1776-1856), an Italian physicist, was the first scientist to__5_ the distinction between atoms and molecules.
答案: 【 clarify】
16、填空题:
"electronic configuration" translate into chinese is .
答案: 【 电子构型】
17、填空题:
“氢”的英文名称 。
答案: 【 hydrogen##%_YZPRLFH_%##Hydrogen】
18、填空题:
“碳”的英文名称 。
答案: 【 carbon##%_YZPRLFH_%##Carbon】
19、填空题:
“氧”的英文名称 。
答案: 【 Oxygen##%_YZPRLFH_%##oxygen】
20、填空题:
“钠”的英文名称 。
答案: 【 sodium##%_YZPRLFH_%##Sodium】
21、填空题:
Write down the English name of "HCN"
答案: 【 Hydrogen cyanide##%_YZPRLFH_%##Hydrogen Cyanide##%_YZPRLFH_%##hydrogen cyanide】
22、填空题:
Write down the English name of " NaOH"
答案: 【 sodium hydroxide##%_YZPRLFH_%##Sodium hydroxide##%_YZPRLFH_%##Sodium Hydroxide】
23、填空题:
Write down the English name of " K2CO3"
答案: 【 potassium carbonate##%_YZPRLFH_%##Potassium carbonate##%_YZPRLFH_%##Potassium Carbonate】
24、填空题:
Write down the English name of " FeSO4"
答案: 【 iron(II) sulfate##%_YZPRLFH_%##ferrous sulfate##%_YZPRLFH_%##Ferrous sulfate##%_YZPRLFH_%##Ferrous Sulfate##%_YZPRLFH_%##Iron(II) Sulfate##%_YZPRLFH_%##Iron(II) sulfate】
25、填空题:
Write down the English name of " NH4Cl"
答案: 【 ammonium chloride##%_YZPRLFH_%##Ammonium chloride##%_YZPRLFH_%##Ammonium Chloride】
26、填空题:
A positive ion is formed by removing one or more from an atom.
答案: 【 electrons】
27、填空题:
A positive ion is therefore smaller than the corresponding and the more electrons removed (that is, the greater the charge on the ion), the smaller it becomes.
答案: 【 atom】
28、填空题:
All atoms of an element are alike in mass and other properties, but the atoms of one element differ from all other .
答案: 【 elements】
29、填空题:
Write down the English name of " CO2"
答案: 【 carbon dioxide##%_YZPRLFH_%##Carbon dioxide】
30、填空题:
Write down the English name of " HNO3 "
答案: 【 nitric acid##%_YZPRLFH_%##Nitric acid】
Unit4Organicchemistry
QuizforLecture2
1、填空题:
Read the list of common organic chemicals below and try to put them in the right categories. Write its number in the right place. shampoogasolineperfumedrugpaintplasticpaperfertilizerwoodcoalcleaning solventvitaminsoapnatural gasmoth ballinsect repellentnail polish removerCategory 1 insectifuge _____________________.
答案: 【 15##%_YZPRLFH_%##16】
2、填空题:
Category 2 fuel _____________________
答案: 【 2##%_YZPRLFH_%##10##%_YZPRLFH_%##14】
3、填空题:
Category 3 home maintenance _____________________
答案: 【 6##%_YZPRLFH_%##9##%_YZPRLFH_%##11
