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(41) Manganese
(42) Mercury
(43) Molybdenum
(44) Neodymium
(45) Neptunium
(46) Nickel
(47) Niobium
(48) Osmium
(49) Palladium
(50) Phosphorus
(51) Platinum
(52) Plutonium
(53) Potassium
(54) Praseodymium
(55) Promethium
(56) Protoactinium
(57) Rhenium
(58) Rhodium
(59) Rubidium
(60) Ruthenium
(61) Samarium
(62) Scandium
(63) Selenium
(64) Silicon
(65) Silver
(66) Sodium
(67) Strontium