Chemistry, 12.07.2019 12:30 perezriii4133
Anucleus of mass number 81 contains 46 neutrons. an atomic ion of this element has 36 electrons in it. write the symbol for this atomic ion (give the symbol for the nucleus and give the ionic charge as a right superscript).
Answers: 1
Chemistry, 22.06.2019 02:00
What is the volume occupied by 10.0 dm3 of gas at standard pressure after it has been compressedat constant temputure to 500.0 kpa?
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Chemistry, 22.06.2019 18:30
When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?
Answers: 1
Anucleus of mass number 81 contains 46 neutrons. an atomic ion of this element has 36 electrons in i...
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