Which statement best describes a waxing gibbous moon? The moon has moved past the new moon and is moving toward the first quarter.

The moon has moved past the first quarter and is moving toward the full moon.

The moon has moved past the third quarter and is moving toward the new moon.

The moon has moved past the full moon and is moving toward the third quarter.

number of molecules / avogadro's number * molecule molecular = mass

explanation:

we define a gram-molecular weight as the mass of one mole of any element or compound. a mole contains avogadro's number of units (molecules) –  

6.022

x

10

23

. so, dividing the number of molecules by avogadro's number gives us the number of moles. multiplying that by the molecular weight gives us the mass. from the periodic table we find the gram-molecular weight of u to be238 and of f to be19. so,  

u

f

6

will have a gram-molecular weight of 352g.

indicate valleys, hills, steepness and gentleness of slopes.

explanation:

contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.

it means there are 3 atoms of oxygen