Chemistry, 16.10.2020 06:01 tasnimsas3
1. An atom has 6 protons, 6 neutrons, and 6 electrons. What is the charge of the
atom's nucleus?
A.+6
B.+12
C.-6
D.-18
Answers: 2
Chemistry, 21.06.2019 20:50, britotellerialuis
Evaluate this exponential expression,8. (2 + 3)2 – 42
Answers: 3
Chemistry, 22.06.2019 05:30, jameskarbar9p8c9d2
Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat
Answers: 1
1. An atom has 6 protons, 6 neutrons, and 6 electrons. What is the charge of the
atom's nucleus?
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