Question 16 (2 points) A meteorologist observes the readings shown by a barometer on a particular day at
PM and 7 PM as shown below.

Which of these is the most likely prediction that the meteorologist would make
about the weather? There is a possibility of...

dry weather

a dust storm

precipitation

fair weather

All the elements are arranged by melting points on the periodic table. in row they go from metals to gasses. in the row from sodium to argon, sodium is more reactive than the one on its right, magnesium.

Olá. porque a reação na temperatura é muito rapida a do copo : )

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).

(no3)⁻n has oxidation number x,o has oxidation number -2.(x*1 -2*3) charge of the nitrate ion, and we know that charge of the nitrate ion =-1.so,(x*1 -2*3) =-1x-6=-1x=+5answer a. +5.