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Sodium, potassium and rubidium are in the first group of the Periodic Table.

Sodium is in the period 3.

Potassium is in the period 4.

Rubidium is in the period 5.

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Q: What group or period number is Na K and Rb in?
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Related questions

What are the symbols in group V of period 1 to 6?

H Li Na K Rb Cs


What period is Rb in?

Period 1 Group 5


What is Group 1 on the periodic table?

group 1 is Li, Na, K, Rb, Cs and Fr.


What group of metals are extremely active?

Group 1 Li, Na, K, Rb, Cs, Fr


What elements are in lithium's period?

Period 2: Li, Be, B, C, N, O, F, Ne Group I: The alkali metals: Li, Na, K, Rb, Cs and Fr and the first element in group I (non-metal) Hydrogen (H, gas)


What are group 1 elements?

The alkali metals are: Li, Na, K, Rb, Cs, Fr.


What element has only one valence electron give a symbol for each?

The alkali-group elements (group I of the periodic table) H, Li, Na, K, Rb, Cs, Fr in period 1 to 7 respectively.


Does Na or Rb have lower electronegativity?

Rb has lower electronegativity (0.8) where as Na is 0.9


An element in group 1 of the periodic table?

Elements in Group 1 include, Li, Na, K, Rb, Cs, Fr


What does group one of the periodoic table consist of?

Group 1, alkalis metals: Li, Na, K, Rb, Cs, Fr.


Which element is the largest K Rb Na Li?

Rb is the largest, Li the smallest in the row above. Group 1 of the periodic table: Fr > Cs > Rb > K > Na > Li > H


What are the charges for the ions in group 1 of the periodic table?

Li+,Na+,K+,Rb+,Cs+,Fr+