马上开始. 它是免费的哦
注册 使用您的电邮地址
Arsenic (As) 作者: Mind Map: Arsenic (As)

1. intro

1.1. atomic number 33.

1.1.1. Protons=electrons=33

2. uses

2.1. The primary use of metallic arsenic is in alloys of lead

2.1.1. car batteries

2.1.2. ammunition

3. unique characteristics

3.1. typically found in minerals

3.1.1. Arsenopyrite

3.1.2. Realgar

3.1.3. Orpiment

4. discovery

4.1. c. 800 CE

5. physical properties

5.1. Arsenic occurs in many minerals

5.1.1. In combination

5.1.1.1. with sulfur and metals,

5.1.2. As a pure elemental crystal.

5.2. Phase (at STP) solid

5.3. Sublimation point 887 K ​(615 °C, ​1137 °F)

5.4. Density (near r.t.) 5.727 g/cm3

6. atomic model of arsenic

6.1. electronic configuration

6.1.1. 2, 8, 18, 5