Chemistry, 07.09.2020 01:01 nehakarakkattu
Using the periodic table, predict which elements will have similar chemical properties or reactivity. Nitrogen, sulfur, and bromine Rubidium, yttrium, and zirconium Magnesium, strontium, and barium Cadmium, calcium, and carbon
Answers: 3
Chemistry, 22.06.2019 02:30
Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?
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Chemistry, 22.06.2019 14:00
Displacement is the slope of a velocity vs. time graph a. true b. false
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Chemistry, 23.06.2019 17:30
Hydrogen-2 is also known as deuterium as well as hydrogen-3 is known as tritium hydrogen-1 is our common hydrogen isotope a sample hydrogen gas has 99% hydrogen -1 ,0.8% deuterium , and 0.2% tritium what is the average atomic mass of this mixture of isotope to the thousands place
Answers: 1
Chemistry, 23.06.2019 18:30
Match the following items. match the items in the left column to the items in the right column. 1. 1/1,000 precision 2. uncertainty value of measurement milli- 3. 1,000 accuracy 4. instrument to measure volume balance 5. degree of exactness of a measurement centi- 6. instrument to measure mass graduated cylinder 7. correctness of a measurement Β± value 8. 1/100 kilo-
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Using the periodic table, predict which elements will have similar chemical properties or reactivity...
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