Hafnium: atomic number : atomic number 15 : atomic number 45 osmium: atomic number magnesium: atomic number

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asked Dec 27, 2020 211k views

1 vote

Hafnium: atomic number

: atomic number 15
: atomic number 45
osmium: atomic number
magnesium: atomic number

Chemistry
middle-school

Timo Haberkern asked

by Timo Haberkern

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2 Answers

3 votes

Answer:

idk ether

Step-by-step explanation:

James Franco answered Dec 30, 2020

by James Franco

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4 votes

Answer:

hafnium: atomic number 72

Phosphorus :Atomic number 15

Rhodium :Atomic number 45

Osmium: atomic number = 76

Magnesium: atomic number = 12

Anthonyvd answered Jan 2, 2021

by Anthonyvd

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