The number above the elements symbol is the elements atomic number. match each element with the number of valence electrons it has al s na si mg p 4 5 3 6 2

Which position represents spring in the southern hemisphere? a) b) c) d)

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-

Need asap question 1 minerals are organic compounds. true false question 2 what vitamin can be found in foods like oranges, grapefruits, and broccoli? a. vitamin a b. vitamin k c.vitamin c d. vitamin d question 3 what are minerals? a. chemical elements that are needed for body processes. b. organic compounds that the body needs in small amounts to function properly. c. small molecules used to build proteins. d. an organic compound that is insoluble in water and includes fats. question 4 how many types of vitamins does the human body need? a. 15 b. 11 c. 13 d. 17 question 5 vitamins are a good source of energy. true false