Answer:
CALCIUM- 2A(group), 4 (period)
BORON- 3A( group), 2 (period)
SILVER- 11(group), 5(period)
CESIUM- 1 (group), 6 (period)
POLONIUM- 16 (group), 6 (period)
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Answer:
CALCIUM- 2A(group), 4 (period)
BORON- 3A( group), 2 (period)
SILVER- 11(group), 5(period)
CESIUM- 1 (group), 6 (period)
POLONIUM- 16 (group), 6 (period)