Identify the element having general electronic configuration $$\mathrm{ns}^1$$ from following.

Which of the following is a property of alkali metals?

Which from following compounds is obtained when carbon dioxide gas bubbled through slaked lime solution?

Which among the following statements of group-1 elements is NOT true?

Which element from following exhibits diagonal relationship with beryllium?

What different elements are found in baryte?

Which from following statements is NOT correct?

Which of the following is NOT true for alkaline earth metals?

Identify metal halide from following having highest ionic character? (M = metal atom)

Which among the following statements is NOT true?

How many water molecules are present in formula of crystalline chloride of lithium?