Chemistry, 25.02.2021 21:40 kingoftime
How many electrons does this mystery element have? What is its atomic number? What is its mass number? What is the name of the element? Explain your reasoning.
Answers: 3
Chemistry, 22.06.2019 01:30, alfarodougoy8lvt
Agas is contained in a thick walled balloon when the pressure changes from 1.21 atm to 2.52 the volume changes from 3.75 l to 1.72 l and the temperature change from 293k to blank k
Answers: 3
Chemistry, 22.06.2019 07:30, eburnhisel2023
The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.
Answers: 1
Chemistry, 22.06.2019 12:00, vannitling12p4w44f
What is the percentage of hydrogen in nitrogen trihydride
Answers: 1
How many electrons does this mystery element have? What is its atomic number? What is its mass numbe...
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