ATOMIC MATH
Solve the problem as we did in class, starting each step with the answer from the previous step.
NO DECIMALS; NO NEGATIVE NUMBERS
Add the atomic number of radium, Ra, to the number of electrons in argon 1 point
Ar.
Your answer
Subtract the atomic mass (rounded) of sodium, Na.*
1 point
Your answer
Multiply by the number of protons in beryllium, Be
1 point
Your answer
Divide by the number of electrons in helium, He.
1 point
Your answer
Subtract the number of neutrons in iron, Fe,
1 point
Your answer
Answers: 1
Chemistry, 21.06.2019 17:40
In the reading, yao chen-yuan describes traveling to deliver a message. why was he willing to risk danger to travelto tientsin? he wanted to the boxers with their cause
Answers: 2
Chemistry, 22.06.2019 03:30
Explain why pure hydrogen cyanide does not conduct electricity, but become a conductor when it is dissolved in water? (at room temp, pure hcn exists as a volatile liquid)
Answers: 1
Chemistry, 22.06.2019 07:00
Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li
Answers: 1
Chemistry, 22.06.2019 09:40
How many grams of aluminum will there be in 98g of al2o3?
Answers: 1
ATOMIC MATH
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