When the number of protons and electrons is the same for an atom, the atom is
a. neutra...
Chemistry, 18.10.2019 20:30 nuhaminbruk
When the number of protons and electrons is the same for an atom, the atom is
a. neutral. b. positively charged. c. negatively charged. d. positive or negative, depending on what the element is.
Answers: 1
Chemistry, 22.06.2019 03:00
Select all that apply. a beta particle: is electromagnetic energy is an electron has zero charge is emitted from the nucleus has a +2 charge has a -1 charge
Answers: 1
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
Chemistry, 22.06.2019 19:10
Astudent completes a titration by adding 12.0 milliliters of naoh(aq) of unknown concentration to 16.0 milliliters of 0.15 m hcl(aq). what is the molar concentration of the naoh(aq)? 1)5.0 m 2)0.20 m 3)0.11 m 4)1.1 m
Answers: 1
Chemistry, 23.06.2019 00:00
The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?
Answers: 2
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