CHEM 105 Cuny Hostos Community College General Chemistry Exam IV Questions

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Fvyynu

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CHEM 105

CHEM

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can do laptop for me finally that’s the last lab and we’re going to have to do the quiz in the final then that will be it for this class how are you doing I hope everybody’s well with your family it’s been very nice working with you do you are very good person determine willing to help or active you’re such a good person to work with what’s going on everything OK all right we can work on Upton OK and I will tell you when to do the quiz and stuff based onI get from the professor yeah. OK here we come again with this thing I just have to keep talking so annoying I hope this time they get the maximum words they want. General chemistry 105 lab 10 I am tired of talking OK bye I have to keep talking again talk talk talk again and again and again I cannot believe it OK talk talk talk I hope this is enough. Again don’t need more more talking from me talk talk talk. What am I doing talking talk and talk and talk. I hope next time don’t ask me to do anything in terms of talking it’s annoying .

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HOSTOS COMMUNITY COLLEGE
THE CITY UNIVERSITY OF NEW YORK
CHE 105 Exam-IV Spring 2020
Jeynabu Sillah

1. When particles of smoke from a fire enter the smoke detector, they interfere with the ions between
the _________ plates;
a) Metal, b) Plastic, c) Wooden.
2. Radioactive emissions are originated at the ___________ of the element atoms;
a) Orbits, b) Surrounding, c) Nucleus.
3. The radioactive decay of radon-222 by alpha particle emission and identify the mass number of
the daughter isotope;
a) 224, b) 218, c) 220.
4. An atomic nucleus breaks apart into smaller pieces in a radioactive process called spontaneous
fusion;
a) True, b) False.
5. Which penetrates matter more deeply—alpha particles or beta particles or gamma rays;
a) Alpha...


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