Answer:
Period 2
Explanation:
From the picture provided, I am guessing this is Fluorine. Normal Fluorine has 9 protons, electrons, and atomic number. Thus, it can be found in the second period.
***Period # = # of electron shells
Rotational versus translational kinetic energy; Total kinetic energy; Acceleration of a rolling object. Example scenarios. Rolling cylinders.
There were two methods that Lord Rayleigh used in his experiment. First, nitrogen was obtained from the atmosphere by passing air over hot copper. Second, air was bubbled through an ammonia mixture, then passed over hot copper. The second method would have a greater mass of nitrogen than the first, <em>because the nitrogen from the atmosphere was contaminated by the nitrogen from the ammonia mixture.</em>
Answer: Use the formulas below to calculate the density of substances and ... Your friend wants to sell you a chain and swears that it's silver.
Explanation:
Answer:
Volatile
Explanation:
Nonmetal are usually volatile, which means it evaporate easily.
