Deck 8 (141 - 160)
暂无描述。系统推荐的高质量记忆内容,适合每天坚持背诵学习。
卡片预览 (20 张)
• PIC
• The momentum quantum number (I) of an orbital indicates the ——- of the orbital
shape
• Name the functional group in the following molecule: CH3-CH2-OH
hydroxyl
• Which of the following is the correct formula for aluminium oxide? a. AlO2 b. Al2O3 c. AlO d. Al3O2
b. Al2O3
• Draw the structure of acetic acid
CH3COOH
• A chemical reaction where the energy is released is called ?
exothermic
• Magnesium atoms loose two electrons when they react. The symbol for the ion that results is …
Mg2+
• What is the IUPAC name of the following hydrocarbon? CH3-CH = CH-CH2-CH3
2-pentene
• Compounds of this halogen are used as additives in toothpastes: a. Fe b. F c. Cl d. Cr
F
• Identify the amine: a. R-NH2 b. R-CO-NH2 c. R-COO-NH4 d. R-CO-NH4
a. R-NH2
• What is the mass in grams of 150 x 10*12 iron atoms each having an atomic mass of 56 u?
1.39 x 10*8 g
• Which of the following compounds is not a monosaccharide? a. fructose b. sucrose c. glucose d. ribose
b. sucrose
• A solution with a pH of 6 is considered to be …
slightly acidic
• Another name for table sugar is ?
sucrose
• A chemical reaction in which the energy is absorbed is called …
endothermic
• The general formula for the alkynes is ..
CnH2n-2
• The polysaccharide that stores energy in plants is called?
starch
• How many molecules are in 2 mol of O2 ?
12.044 x 10*23
• PIC
• Sublimation involves a change from …
solid to a gas