Difference between revisions of "Arsenic"
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==Key Stage 3== | ==Key Stage 3== | ||
===Meaning=== | ===Meaning=== | ||
| − | [[File: | + | [[File:ArsenicSymbol1.png|right|300px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Arsenic]].]] |
[[Arsenic]] is a [[Group 5]] [[metalloid]] [[element]], on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of 33. | [[Arsenic]] is a [[Group 5]] [[metalloid]] [[element]], on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of 33. | ||
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: [[Arsenic]] is a shiny [[solid]] at [[STP|room temperature]]. | : [[Arsenic]] is a shiny [[solid]] at [[STP|room temperature]]. | ||
==Key Stage 4== | ==Key Stage 4== | ||
| + | [[File:AsKS4.PNG|right|200px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Arsenic]].]] | ||
===Meaning=== | ===Meaning=== | ||
[[Arsenic]] is a [[Group 5]] [[metalloid]] [[element]], on the [[Periodic Table]], with 33 [[proton]]s in the [[Atomic Nucleus|nucleus]]. | [[Arsenic]] is a [[Group 5]] [[metalloid]] [[element]], on the [[Periodic Table]], with 33 [[proton]]s in the [[Atomic Nucleus|nucleus]]. | ||
| − | ===About | + | ===About Arsenic=== |
: [[Arsenic]] has the [[Chemical Symbol|chemical symbol]] [[Arsenic|As]]. | : [[Arsenic]] has the [[Chemical Symbol|chemical symbol]] [[Arsenic|As]]. | ||
====Atomic Structure==== | ====Atomic Structure==== | ||
: The most [[Stable Isotope|stable isotope]] of [[Arsenic]] has 42 [[neutron]]s in its [[Atomic Nucleus|nucleus]] giving it an [[Relative Atomic Mass|atomic mass]] of 75. | : The most [[Stable Isotope|stable isotope]] of [[Arsenic]] has 42 [[neutron]]s in its [[Atomic Nucleus|nucleus]] giving it an [[Relative Atomic Mass|atomic mass]] of 75. | ||
: [[Arsenic]] is in [[Period]] 4 of the [[Periodic Table]] because it has 4 [[Electron Orbital|electron shells]]. | : [[Arsenic]] is in [[Period]] 4 of the [[Periodic Table]] because it has 4 [[Electron Orbital|electron shells]]. | ||
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====Properties==== | ====Properties==== | ||
: [[Arsenic]] is a [[metalloid]] [[element]] so in some conditions it is an [[Electrical Conductor|electrical conductor]]. | : [[Arsenic]] is a [[metalloid]] [[element]] so in some conditions it is an [[Electrical Conductor|electrical conductor]]. | ||
: [[Arsenic]] is a shiny [[solid]] at [[STP|standard temperature and pressure]] and has a high [[Melting Point|melting point]]. | : [[Arsenic]] is a shiny [[solid]] at [[STP|standard temperature and pressure]] and has a high [[Melting Point|melting point]]. | ||
Latest revision as of 11:16, 5 March 2020
Contents
Key Stage 2
Meaning
Key Stage 3
Meaning
Arsenic is a Group 5 metalloid element, on the Periodic Table, with an atomic number of 33.
About Arsenic
- Arsenic has the chemical symbol As.
Atomic Structure
- Arsenic as 33 protons and 42 neutrons in its nucleus giving it an Atomic Number of 33 and an atomic mass of 75.
- Arsenic is in Period 4 of the Periodic Table because it has 4 electron shells.
Properties
- Arsenic is a shiny solid at room temperature.
Key Stage 4
Meaning
Arsenic is a Group 5 metalloid element, on the Periodic Table, with 33 protons in the nucleus.
About Arsenic
- Arsenic has the chemical symbol As.
Atomic Structure
- The most stable isotope of Arsenic has 42 neutrons in its nucleus giving it an atomic mass of 75.
- Arsenic is in Period 4 of the Periodic Table because it has 4 electron shells.
Properties
- Arsenic is a metalloid element so in some conditions it is an electrical conductor.
- Arsenic is a shiny solid at standard temperature and pressure and has a high melting point.