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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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11y ago
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6mo ago

Na, K, and Rb are in period 4 of the Periodic Table. They are in group 1, also known as the alkali metals group.

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

Choose the element that is largest Li Na Rb K?

Rb (Rubidium) is the largest element among Li, Na, Rb, and K as you move down the same group or in the same period from left to right on the periodic table.


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

H Li Na K Rb Cs


What period is Rb in?

Rubidium (Rb) is located in the 5th period of the periodic table.


Does Na or Rb have lower electronegativity?

Rb has lower electronegativity than Na. Electronegativity decreases as you move down a group in the periodic table, so Rb, which is located below Na in the periodic table, has lower electronegativity.


What period is rubidium found?

Rubidium is found in the alkali metal group on the periodic table, specifically in period 5. It has the atomic number 37 and is represented by the symbol Rb.


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 has the lowest ionization energy element Rb Na C or F?

Element Rb (Rubidium) has the lowest ionization energy among Rb, Na, C, and F. This is because as you move down a group on the periodic table, the ionization energy typically decreases due to the increase in atomic size. Rubidium is located below sodium (Na) in the same group, so it has a lower ionization energy.


What are group 1 elements?

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


Which element is the largest K Rb Na Li?

Rb (rubidium) is the largest element among K (potassium), Rb (rubidium), Na (sodium), and Li (lithium). This is because as you move down a group in the periodic table, the atomic size increases due to the addition of more electron shells.


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.