The law of conservation of mass states that mass cannot be created or destroyed. It can only be transformed/transferred from one form to another.
Answer:
NaF and KBr
Explanation:
These two substances contain pure ionic bonds. LiI is a covalent compound because of the Large polarizing power of Li and the high polarizability of I(Fajan's rules). The other compounds mentioned are organic compounds. They are not soluble in water at all.
Answer:
No It cannot.
Explanation:
A water cycle does not have an end as it moves all around the earth
The process:
A water cycle can start by water evaporating through the sun's heat from a water bed, such as: Ocean, sea, pond etc.
The heat from the sun will turn the water into water vapour and will go up into the atmosphere.
The water vapor gets together with other vapors and forms clouds.
These clouds will move around the earth, once they are so full of water they drop the water to Earth in some form of precipitation. It could be rain, snow, sleet, or hail.
These water will form ponds or go back in the ocean and the process wil repeat again.
Answer
85
Explanation:
Astatine has an atomic number of 85.
This means it has 85 positively charged protons.
If it is neutral, it must have the same number of negatively charged electrons, or 85
Answer:
C) main sequence
Explanation:
Currently, the Sun is a main sequence star. In roughly 5 billion years from now, the Sun will transition into a red giant.