试题与答案

A、B、C、D、E是五种粒子的结构示意图 请你回答: (1)X=______;

题型:问答题

题目:

A、B、C、D、E是五种粒子的结构示意图

请你回答:

(1)X=______;

(2)在A、B、C、D、E中,属于同种元素的粒子是______(填序号);

(3)A粒子的化学性质与B、C、D、E中哪一种粒子的化学性质相似______(填序号).

答案:

(1)因D中有18个质子,所以核外也应有18个电子,所以X等于8.

(2)B、C两微粒具有相同的质子数,所以两者属于同一种元素.

(3)最外层电子数决定元素的化学性质,所以A与B最外层电子数相同,化学性质相似.

故答案为:

(1)8,(2)BC,(3)B.

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A.作为申请人的法人或者其他组织终止

B.申请人要求撤回行政复议申请,行政复议机构准予撤回

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题型:阅读理解

Visit New York City with your kids where there are numerous things to do which will entertain their spirits and feed their minds.

●The Whispering Gallery

Make your way to the Whispering Gallery. Kids can get a lot of fun there. Once inside the gallery, place one person facing the corner at one end of the room and then place another person facing the corner at the opposite end. Ask one of them to whisper a phrase or a quick sentence and the person at the opposite end will be able to hear every word that was said.

E.42nd St. New York, NY 10017

212-771-5322

grandcentralterminal.com

●American Museum of Natural History

The American Museum of Natural History was founded in 1869. In addition to its impressive exhibits, permanent attractions bring the cool feeling to kids. They can enter the Fossil Halls and take in the impressive dinosaur skeletons. And the Milstein Hall of Ocean Life educates kids on the fragility (脆弱) of the ocean.

Central Park West at 79th St. New York, NY 10024

212-769-5606

amnh.org

●The Scholastic Store

Most parents want their children to read, and moreover, to enjoy reading. The Scholastic Store helps to make that wish a reality by publishing well-written stories that appeal to children, such as Clifford the Big Red Dog, the Magic School Bus and Harry Potter, the Scholastic Store will delight your children.

557 Broadway. New York, NY 10012

212-343-6100

scholastic.com

●Ellen’s Stardust Diner

The restaurant is a place where each person in your family can find something to eat. A diverse menu will satisfy every one’s appetite. Arugula salads, grilled cheese burgers and meatloaf are all on this varied menu. The hall of beauty queens, a drive-in theatre can add to the unique dining experience.

1650 Broadway, corner of 51st St. New York, NY 10019

212-956-5151

ellensstardustdiner.com

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A.ellensstardustdiner.com

B.grandcentralterminal.com

C.amnh.org

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A.children

B.parents

C.educators

D.teachers

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