题目

下表是元素周期表的一部分，针对表中的①～⑩种元素，请用化学用语回答下列问题： 族 周期 IA IIA IIIA IVA VA VIA VIIA 0 2 ⑥ ⑦ ⑧ 3 ① ③ ⑤ ⑨ ⑩ 4 ② ④ （1） 在③～⑦元素中，原子半径最大的是（填元素符号）； （2） ⑦元素的最高价氧化物对应的水化物与其氢化物能生成盐M，M中含有的化学键类型有； 完形填空 One day Mr and Mr Black went shopping by car. They stopped their car near a  1 .They bought many things from the shop and the things were very  2 .They wanted to put them 3 .But Mr Black can’t  4 the door of the car. “Let’s ask a policeman for  5 .,”said Mrs Black. The policeman was very 6  to help them open the door of the car. At that time a  7 .came up and shouted ,”what are you doing with  8 ?”Mr and Mrs Black looked at the  9 of the car. Then they said  10 to the man. 1.                A．school         B．shop           C．post office D．police station 2.                A．night           B．nice           C．heavy    D．awful 3.                A．in their car      B．in the shop      C．over there D．right here 4.                A．close          B．find            C．open     D．look 5.                A．help           B．a car           C．the way   D．work 6.                A．sorry          B．early           C．late  D．friendly 7.                A．man           B．friend          C．student   D．teacher 8.                A．my bag         B．my car          C．my bike   D．my door 9.                A．door           B．number         C．window   D．light 10.               A．hello          B．please         C．sorry D．thank