Question

ans fast please it is emergency​

Answer 1

Answer:

1. Eka-boron

Actual name - scandium (Sc)

atomic mass - 44

belongs from group 3 and period 4

Eka-aluminium

Actual name - gallium (Ga)

atomic mass - 68

belongs from group 13 and period 4

Eka-silicon

Actual name - germanium (Ge)

atomic mass - 72

belongs from group 14 and period 4

2. Yt

Di

Ce

Er

La

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