Answer:
Lunar eclipse
Explanation:
When the Earth is in between the Sun and the Moon, Earth blocks the sunlight falling on the moon.
Hope I provided some help, if not I at least tried.
Answer:
Yes, a mole is defined as 6x1023 of something, so a mole of stars is 6x1023 stars. If we compare this number to our estimate of the total number of stars, we find that there is about 1/10 of a mole of stars in the Universe.
Hope this helps!
Is this prier to a lab you've done?
Answer:
Hydrogen is placed above group in the periodic table because it has ns1 electron configuration like the alkali metals. However, it varies greatly from the alkali metals as it forms cations (H+) more reluctantly than the other alkali metals.
Explanation:
