Atomic radius generally decreases from left to right across a period because the effective nuclear charge while electrons are being added to the same outer level. These additional electrons are shielded by inner electrons and are therefore attracted strongly by the nucleus

Agroup of monkeys is trying to cross the river in a rowboat. the maximum buoyant force on the rowboat is 2,000 n. the weight of the rowboat is 1,000 n. each monkey has a weight of 150 n. how many monkeys can safely cross in the rowboat at one time? explain your reasoning, including any calculations you used to find the answer.