Answer:
1 year- 1 mole
time in general- amount of matter
1 second- 1 atom/ particle
Actually mass and weight are two different things but most people did not understand the difference between them. And they are used synonymously on the earth. Mass is the measure of the amount of matter and weight is the measure of how the force of gravity acts on the mass that is Weight = mass x force of gravity. And they are also directly proportional to each other that is also the reason both terms are used synonymously.
Answer:
24.305 to the nearest thousandth.
Explanation:
That is 0.7899*23.985 + 0.10* 24.985+0.1101*25.9825
= 24.305.
Answer:
A magnesium atom must lose two electrons to have the same number electrons as an atom of the previous noble gas, neon. Thus, a magnesium atom will form a cation with two fewer electrons than protons and a charge of 2+. The symbol for the ion is Mg2+, and it is called a magnesium ion.
Answer:
10.5!!!!!!!!!!!!!!!!!!!!!!