Answer:
D po ayan po ang sagot ko salamat po
The neutral atom also has 20 electrons, but to form the 2+ ion, it needs to lose 2 of these, giving just 18 electrons. A neutral calcium atom has 20 protons and so 20 electrons. A calcium ion has a 2+ charge so it has lost 2 electrons. It has 20 protons and 18 neutrons.
Which of these statements best describes the similarity
between the two events shown in the diagram?
The statement that best describes the similarity between
the two events shown in the diagram is that both may cause the moon's shadow to
fall on Earth. The answer is letter B.
Homogeneous mixture made up of two or more substances
Answer:
Solution
Explanation:
An homogenous mixture made up of two or more substances is called a Solution.
Solutions are homogenous mixtures of solutes and solvents.
- In a solution, the solute particles are distributed uniformly in the solvent.
- The solute is the substance that is dissolved to make the solution.
- It is usually present in smaller amount than the solvent
- The solvent is the dispersing medium which allows for the solute to go into solution.
