Chemistry, 11.03.2021 21:10 sanociahnoel
When balancing a chemical equation which are you ALLOWED to do?
Group of answer choices
change or add subscripts to the chemical formulas
rearrange the chemical formulas
change or add coefficients in front of the chemical formulas
add a number to the middle of a chemical formuls
Answers: 3
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Choose all the answers that apply. fluorine (f) has an atomic number of 9 and an atomic weight of 18.99. fluorine has a. 9 protons b. 10 neutrons c. 18 electrons d. an atomic mass of 19 e. at least one isotope
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The bohr model of the atom explained why emission spectra are discrete. it could also be used to explain the photoelectric effect. which is a correct explanation of the photoelectric effect according to the model?
Answers: 3
When balancing a chemical equation which are you ALLOWED to do?
Group of answer choices
chang...
chang...
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