All of the elements in a family or group have similar chemical properties. which of the following statements best explains why this is true?

a. the elements in a group have the same number of protons in their nuclei.

b. the elements in a group have similar atomic mass numbers.

c. the elements in a group have the same number of valence electrons.

d. the elements in a group have similar atomic numbers.

answer: at room temperature (roughly 20 degrees c), you can dissolve 203.9 grams (or 200 grams) of sugar in 100 ml of water. as water temperature increases, the amount of sugar that will dissolve increases, up to about 500 grams of sugar in 100 ml water at 100 degrees c.

explanation:

answer; i believe the correct answer is (c) /// is a homogeneous mixture of gaseous substance nitrogen,oxygen and smaller amounts of other substancesmixtures can be either ( homogeneous or heterogeneous)plz check first good luck