subject
Chemistry, 29.07.2019 21:20 joannachavez12345

Use the following table to answer the question: element mass number atomic number aluminum 27 13 nitrogen 14 7 helium 4 2 fluorine 19 9 which element has the most neutrons in the nucleus? aluminum nitrogen helium fluorine

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 17:00
Look at the reaction below: ca(hco3)2 --> caco3 + co2 + h2o first, balance the reaction. once balanced, use dimensional analysis or another method to find out how many moles of carbon dioxide will be produced if we start with 16.5 moles of calcium bicarbonate (calcium hydrogen carbonate). = mol of co2 number needs to be reported to three significant figures.
Answers: 1
question
Chemistry, 21.06.2019 23:30
Two atoms interact with each other as shown by the equation. complete the equation by filling in the missing parts. 1 2 3 4 5 h he li
Answers: 2
question
Chemistry, 22.06.2019 01:40
Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.
Answers: 1
question
Chemistry, 22.06.2019 07:00
How many moles are in 7.2 x 10^23 carbon molecules? (*round to the nearest hundredth and include the unit "mol c" after your number) question 6 options:
Answers: 2
You know the right answer?
Use the following table to answer the question: element mass number atomic number aluminum 27 13 ni...
Questions
Questions on the website: 13722359