3 years ago

What percentage of a radioactive species would be found as daughter material after seven half–lives?

Chemistry

1 answer:

irinina [24]3 years ago

6 0

0.78 is what the verified answer says

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How many moles of bromine atoms are in 2.60×10^2 grams of bromine?

AlladinOne [14]

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3 years ago

What causes atoms to form covalent bonds?

tino4ka555 [31]

Sharing of valence electrons.

Explanation:

In a covalent bonds, there is sharing of the valence electrons used in bonding between the two combining species.

The atoms taking part do not have a wide electronegativity difference between them and so they share the valence electrons to complete their octet and ensure their stability.

For the formation of this bond type, each of the atom requires a odd or unpaired electrons.
Covalent bonds are formed between atoms having zero or very small electronegativity difference.

Learn more:

Covalent bonds brainly.com/question/10903097

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2 years ago

What is the molarity of a 799 mL solution that contains 3.3 moles of NaNO3?

rusak2 [61]

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3 years ago

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