Difference between revisions of "Francium"
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Revision as of 13:51, 31 March 2019
Contents
Key Stage 2
Meaning
Key Stage 3
Meaning
Francium is a Group 1 element with an atomic number of 87.
About Francium
- Francium has the chemical formula Fr.
- Francium as 87 protons and 136 neutrons in its nucleus giving it an Atomic Number of 87 and an atomic mass of 223.
- Francium is the most reactive alkali metal.
- Francium is more reactive than Carbon on the reactivity series so it must be extracted from its ore using electrolysis.
- Francium reacts strongly with water to produce Hydrogen gas and Francium Hydroxide.
- An atom of Francium has only 1 electron in its outer shell.
- Francium ions have lost an electron to become positively charged.
Key Stage 4
Meaning
Francium is a Group 1 element with 87 protons in the nucleus.
About Francium
- Francium has the chemical formula Fr.
- The most stable isotope of Francium has 136 neutrons in its nucleus giving it an atomic mass of 223.
- Francium is the most reactive alkali metal.
- Francium is more reactive than Carbon on the reactivity series so it must be extracted from its ore using electrolysis.
- Francium reacts strongly with water to produce Hydrogen gas and Francium Hydroxide.
- An atom of Francium has only 1 electron in its outer shell.
- Francium ions have lost an electron to become positively charged.