He started with the element having the lowest atomic mass (hydrogen) and ended at sodium.
He started with the element having the lowest atomic mass (hydrogen) and ended at sodium.
He started with the element having the highest atomic mass (hydrogen) and ended at thorium which was the 56th element.
He started with the element having the highest atomic mass (hydrogen) and ended at thorium which was the 56th element.
He started with the element having the lowest atomic mass (hydrogen) and ended at thorium which was the 56th element.
He started with the element having the lowest atomic mass (hydrogen) and ended at thorium which was the 56th element.
He started with the element having the lowest atomic mass (hydrogen) and ended at aluminium.
He started with the element having the lowest atomic mass (hydrogen) and ended at aluminium.
Correct Answer:
He started with the element having the lowest atomic mass (hydrogen) and ended at thorium which was the 56th element.
उन्होंने सबसे कम परमाणु द्रव्यमान (हाइड्रोजन) वाले तत्त्व से आरंभ किया और थोरियम पर समाप्त किया, जो 56वाँ तत्त्व था।
