The answer is A. More active than lithium -hope this helps.
The spaceship does not have any gravitational pull. A spaceship can not produce its own gravity like Earth does.
B, The increased thermal energy makes the particles move faster, making more collisions possible.
<span>In a sample of solid Ba(NO3)2 the ratio of barium ions to nitrate ions is would be one is to 2 or 1:2. Barium ion has a formal charge of positive two which means that it needs two ions which has a formal charge of negative one or 1 ion with the formal charge of negative two. However, for this case, it is bonded to a nitrate ion which has a formal charge of negative one. Therefore, it needs two nitrate ions so that for every 1 atom of barium ion, we need two ions of nitrate ions.</span>
Answer: 2. magnesium
Explanation: correct spelling...?