Rb
1
9.8
- noun
- Specialized
- Scientists discovered that Rb reacts explosively when it comes into contact with moisture.
Examples
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Rubidium, denoted as Rb, is a soft silvery metal that can react violently with water.
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Putting the observed data as mentioned previously, the computed value of Rb is 89.62 m (3.53 x 10^-3 in).
Academic text (2016) -
Freshman RB Dyshawn Mobley contributed 82 yards, while junior RB Jonathan George contributed 76 yards.
Blog text (1) -
Stevan Ridley, Patriots' second-year RB, joins Mut, Lou, and guest host Troy Brown on location in Foxboro.
Blog text (5) -
An optical pumping laser array spin-polarizes the Rb atoms, which transfer their polarization to the 3He and sup129Xe via spin-exchange collisions.
Academic text (2004) -
Rb is the chemical symbol for rubidium, which is known for its high reactivity with water.
Synonyms
3
9.9
A soft, silver metal that burns in air and reacts strongly with water
A soft silvery metal used in research and electronics that reacts violently with water
Surface Forms
Etymology
Rb comes from the element name rubidium, which was named from the Latin rubidus meaning 'deep red' because scientists saw deep red lines when they looked at its light. Think of a ruby to remember the red, and that is why Rb is the chemical symbol for the soft, very reactive metal.