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Sulfur has 16 protons, 16 neutrons, and an atomic mass of 32. How many electrons does it have?
Warm water
16
8
Atoms of most substances are slightly closer together in the soid than the liquid phase
Kinetic energy increases
Metal
13
In the afternoon
How does the average kinetic energy of the particles making up ice change after ice melts?
Warm water
16
8
Atoms of most substances are slightly closer together in the soid than the liquid phase
Kinetic energy increases
Metal
13
In the afternoon
Do the air molecules in a ball have more kinetic energy when it is flat in the morning, or when it is more full in the afternoon?
Warm water
16
8
Atoms of most substances are slightly closer together in the soid than the liquid phase
Kinetic energy increases
Metal
13
In the afternoon
Which of these substances is made up of particles which have the greatest average kinetic energy?
Warm water
16
8
Atoms of most substances are slightly closer together in the soid than the liquid phase
Kinetic energy increases
Metal
13
In the afternoon
Oxygen has 8 protons, 8 electrons, and an atomic mass of 16. How many neutrons does it have?
Warm water
16
8
Atoms of most substances are slightly closer together in the soid than the liquid phase
Kinetic energy increases
Metal
13
In the afternoon
Aluminum has 13 electrons, 14 neutrons, and an atomic mass of 27. How many protons does it have?
Warm water
16
8
Atoms of most substances are slightly closer together in the soid than the liquid phase
Kinetic energy increases
Metal
13
In the afternoon
Which statement about solid matter is true?
Warm water
16
8
Atoms of most substances are slightly closer together in the soid than the liquid phase
Kinetic energy increases
Metal
13
In the afternoon
A substance has good conductivitiy, is malleable and is ductile. What type of substance is it?
Warm water
16
8
Atoms of most substances are slightly closer together in the soid than the liquid phase
Kinetic energy increases
Metal
13
In the afternoon
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