护理入学考试化学练习卷（附答案）

免费可打印的护理入学考试化学练习卷：8 道题，从简单到考试水平，附答案。可打印或另存为 PDF。

新练习卷在线练习，附提示

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1.简单

在盐溶液中，盐称为什么？

  1. A催化剂
  2. B溶质
  3. C沉淀
  4. D溶剂
2.简单

How many electrons are shared in a double covalent bond?

  1. A2
  2. B8
  3. C4
  4. D6
3.简单

Elements in the same period of the periodic table have the same number of what?

  1. AOccupied electron shells
  2. BNeutrons
  3. CValence electrons
  4. DProtons
4.中等

氧原子有多少个价电子（最外层电子）？

  1. A16
  2. B8
  3. C6
  4. D2
5.中等

What charge do group 16 elements such as oxygen and sulfur usually have as ions?

  1. A2−
  2. B2+
  3. C6+
  4. D1−
6.中等

A student tests how temperature affects the rate of a reaction. What is the independent variable?

  1. AThe type of beaker used
  2. BThe reaction rate
  3. CThe temperature
  4. DThe volume of acid, which is kept the same
7.困难

In the fission reaction ²³⁵U + ¹n → ¹⁴¹Ba + ⁹²Kr + ? ¹n, how many neutrons are released?

  1. A4
  2. B2
  3. C3
  4. D1
8.困难

What is the correct name of Cu₂O?

  1. ACopper dioxide
  2. BCopper(II) oxide
  3. CDicopper oxide
  4. DCopper(I) oxide

答案

  1. 1. B · 溶质
  2. 2. C · 4
  3. 3. A · Occupied electron shells
  4. 4. C · 6
  5. 5. A · 2−
  6. 6. C · The temperature
  7. 7. C · 3
  8. 8. D · Copper(I) oxide

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