Chemistry, 23.09.2019 18:10 autumnguidry7628
The image shows the representation of an unknown element in the periodic table. a square is shown. inside the square twelve is written at the top righthand side. to the middle left side, symbol is written. below it name is written. and further below near the bottom edge of the square, twenty-four point three zero five is written. based on the representation, which of the following statements about the element is true? the number of neutrons in an atom of the element is 24. the combined mass of all the protons and electrons is 24.305. the combined mass of all the neutrons and electrons is 24.305. the mass number of the most common isotope of the element is 24.
Answers: 3
Chemistry, 22.06.2019 06:00
An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g
Answers: 3
Chemistry, 22.06.2019 06:30
Type the correct answer in the box. spell all words correctly.what is the correct term for living the most sustainable life you can within your current circumstances? when your are being as sustainable as you can within your current lifestyle, you are said to be sustainability.
Answers: 3
Chemistry, 22.06.2019 09:30
Which formula can be used to calculate the molar mass of hydrogen peroxide
Answers: 1
The image shows the representation of an unknown element in the periodic table. a square is shown. i...
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