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PLEASE HELPPP ASAPPPP!!!!
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1 vote
PLEASE HELPPP ASAPPPP!!!!

PLEASE HELPPP ASAPPPP!!!!-example-1
User Romancha KC
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4.6k points

1 Answer

1 vote

Answer:

See below

Step-by-step explanation:

From periodic table:

228 Ra

88 radium

User Gad
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4.5k points
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