â¢ Percentage by mass of each element in a compound â¢ Can be determined from the formula of the compound or by experimental mass analysis of the compound â¢ The percentages may not always total to 100% due to rounding. 100%wholepartPercentage. â¢ Determine the mass of each element in 1 mole of the compound.
The Moon travels around the Earth. The Moon travels around the Earth in a circle called an orbit. How long does it take the Moon to orbit the Earth? The Moon takes about 27 days (27 days, 7 hours, 43 minutes, 11.6 seconds) to go all the way around the Earth and return to its starting position. The Moon's orbit around the Earth is a slightly squashed circle called an ellipse.
How long does it take for the Earth to make one revolution around the sun? It takes the Earth about 365 days to make one revolution around the sun. How long does it take the moon to make one revolution around the Earth? It takes the moon about one month to make one revolution around the Earth.ow long does it take for the Earth to make one revolution around the sun? It takes the Earth about 365 days to make one revolution around the sun. How long does it take the moon to make one revolution around the Earth? It takes the moon about one month to make one revolution around the Earth.