Answer:
A. X is an element or a compound while Y is a mixture
Answer:
8.34e23 electrons
Explanation:
One atom o 13C has 6 electrons, 6 protons, and 7 neutrons
so 1.39e23 13C atoms will have 1.39e23 x 6 = 8.34e23
Answer:
The outer planets are also called the Jovian planets or gas giants. Like the inner planets, the outer planets have similar characteristics to one another. The outer planets are so much larger than the inner planets that they make up 99 percent of the mass of the celestial bodies that orbit the Sun
Explanation:
Some examples of physical properties are:
color (intensive)
density (intensive)
volume (extensive)
mass (extensive)
boiling point (intensive): the temperature at which a substance boils.
melting point (intensive): the temperature at which a substance melts.
Well, I say the answer is Thermosphere! Hope I helped :)