Question

dis olved in the water. lransparent because the MgCl2 is so Adding more HCI will make the reaction start again and produce mc Question 3 (2 points) Which of the following is an observation as opposed to a hypothesis ? The earth is farther from the sun in the winter making it colder. O Light from the sun enters the earth's atmosphere less directly in winter spring making it colder. The days are warmer in spring than winter on average. Persephone is in Hades during the winter and her mother mourns so it is than in the spring when she returns to earth and her mother rejoices. Question 4 (2 points) ✓ Saved An isotope of an element forms an ion. The ion has a charge of -2 wit total of 10 electrons. The number of neutrons is 10. The ion is: