Difference between revisions of "Lithium"
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===About Lithium=== | ===About Lithium=== | ||
: [[Lithium]] has the [[Chemical Formula|chemical formula]] [[Lithium|Li]]. | : [[Lithium]] has the [[Chemical Formula|chemical formula]] [[Lithium|Li]]. | ||
| − | : The most [[Stable Isotope|stable isotope]] of [[Lithium]] has 4 [[neutron]]s in its [[Atomic Nucleus|nucleus]] giving it an [[Relative Atomic Mass|atomic mass]] of 7. | + | : The most common [[Stable Isotope|stable isotope]] of [[Lithium]] has 4 [[neutron]]s in its [[Atomic Nucleus|nucleus]] giving it an [[Relative Atomic Mass|atomic mass]] of 7. |
: [[Lithium]] is the least [[Reactivity|reactive]] [[Alkali Metal]]. | : [[Lithium]] is the least [[Reactivity|reactive]] [[Alkali Metal]]. | ||
: [[Lithium]] [[Chemical Reaction|reacts]] strongly with [[water]] to produce [[Hydrogen]] [[gas]] and [[Lithium Hydroxide]]. | : [[Lithium]] [[Chemical Reaction|reacts]] strongly with [[water]] to produce [[Hydrogen]] [[gas]] and [[Lithium Hydroxide]]. | ||
Revision as of 13:18, 31 March 2019
Contents
Key Stage 2
Meaning
Key Stage 3
Meaning
Lithium is a Group 1 element with an atomic number of 3.
About Lithium
- Lithium has the chemical formula Li.
- Lithium has 3 protons and 4 neutrons in its nucleus giving it an Atomic Number of 3 and an atomic mass of 7.
- Lithium is the least reactive Alkali Metal.
- Lithium reacts strongly with water to produce Hydrogen gas and Lithium Hydroxide.
- Lithium is a solid at room temperature.
- An atom of Lithium has only 1 electron in its outer shell.
- Lithium ions have lost an electron to become positively charged.
Key Stage 4
Meaning
Lithium is a Group 1 element with 3 protons in the nucleus.
About Lithium
- Lithium has the chemical formula Li.
- The most common stable isotope of Lithium has 4 neutrons in its nucleus giving it an atomic mass of 7.
- Lithium is the least reactive Alkali Metal.
- Lithium reacts strongly with water to produce Hydrogen gas and Lithium Hydroxide.
- Lithium is a solid at standard temperature and pressure with a melting point of 180.50 °C.
- An atom of Lithium has only 1 electron in its outer shell.
- Lithium ions have lost an electron to become positively charged.