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Anika [276]
3 years ago
11

An a transition metal with 91 protons and electrons?

Chemistry
2 answers:
ser-zykov [4K]3 years ago
6 0
Protactinium

Hshsbsbwhwhhsnsnanananananababsbsbsbsbsbsbababjaajajajnsnsnsnana
grin007 [14]3 years ago
3 0

Answer:

Protactinium

Explanation:

the atomic number lines up with the number of protons and electrons an element has.

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Find the total number of atoms in a sample of cocaine hydrochloride, c17h22clno4, of mass 23.0 mg .
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From the periodic table:
mass of carbon = 12 grams
mass of hydrogen = 1 gram
mass of nitrogen = 14 grams
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