The atomic number shows the number of protons and the number of protons is equal to the number of electrons. Therefore there are 45 electrons present.
Answer: This is evidence that the solution a mixture.
Explanation:
Mixture :
- It is defined as a substance which is made by mixing two or more different materials.
- No chemical reaction occurs between the mixed materials.
- Usually mixture can be separated into its original components.
A solution in a dish contains 4.0 grams of salt dissolved in 100 grams of water. If 50 grams of the water evaporate is a mixture because it is made up two substances salt and water which can be easily separated out by the means of evaporation.
<span>A body that's moving with a negative acceleration is said to be slowing down</span>
It will float, because it is almost weighs like a pen.