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Trick question? Lowest group is 1? There is no zero.

If it's not a trick question then it's Hydrogen.

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Related Questions

Which element has an atomic number lower than aluminum and is in group 15?

The element with an atomic number lower than aluminum and in group 15 is phosphorus. It has an atomic number of 15, which is lower than aluminum's atomic number of 13.


What element is in group 1a and higher atomic number than chlorine but lower number than bromine?

The element in Group 1A with a higher atomic number than chlorine but lower than bromine is iodine.


This element is in group 1 and has a higher atomic number than chlorine but lower atomic number than bromine?

Examination of a periodic table shows that the element is potassium.


This element is in group 1 and has a higher atomic number than chlorine but a lower atomic number than bromine?

potato


What element in group one has a higher atomic number than chlorine but lower atomic number than bromine?

The element in group one with a higher atomic number than chlorine but lower atomic number than bromine is iodine. Its atomic number is 53, which is greater than chlorine's atomic number of 17 but less than bromine's atomic number of 35.


This element is in group 1 and has a high atomic number than chlorine, but a lower?

chlorine


This element is in group 1 and has a higher atomic than chlorine but a lower atomic number than bromine?

Examination of a Periodic Table shows that the element is potassium.


What element is in group 1 and has a higher atomic number than chlorine but a lower atomic number than bromine?

It is K, or Potassium, which atomic number is 19, which is greater than 17 and less than 35, and in group 1 of the periodic table, which is the alkali metals.


This element has an atomic number lower than that of aluminum and one less valence election than the group 16 elements?

The element with an atomic number lower than aluminum is silicon, which has an atomic number of 14. Group 16 elements, like oxygen and sulfur, have 6 valence electrons, whereas silicon has 4 valence electrons.


What element has an atomic number lower than that of aluminum less valence electron than the the group 16 elements?

Nitrogen


Has similar properties with elements T but has lower atomic number?

Element S has similar properties to element T but has a lower atomic number.


What element has an atomic number lower that that of aluminum and one less valence electrons than the group 16 elements?

Nitrogen