I'm taking the test right now; I'll edit this when I find out if I was right! (I chose "solvent" but I wanna be sure.)
Edit: Solvent is the correct answer!
Binary ionic compounds contain two elements: one metal and one nonmetal. are binary ionic compounds. Ternary ionic compounds contain three elements, at least one metal and one nonmetal.
Mass number = number of protons + number of neutrons
number of protons = atomic number =7
number of neutrons= mass number - number of protons=16-7=9
Answer is B.9.
Answer:
Natural BGH and rBGH both increase the level of another hormone called insulin-like growth factor (IGF-1) in the cow.
Beef cattle are often given steroids to increase and speed growth. Common steroids include:
-
Natural steroids like estradiol, testosterone, and progesterone
- Man-made steroids from compounds
Major groups such as FDA and Food and Agricultural Organization state track level of hormones in food. They state that the levels of hormones in food are safe to eat. Not everyone agrees.
Explanation:
Hormones are present in all animal products. Some are natural, others may be added through supplements. Hormones and steroids are given to livestock. It can increase the number of dairy products and beef.
FDA establishes the acceptable safe limits for hormones in meat. A safe level for human consumption is a level of drug in the meat that would be expected to have no harmful effect in humans based on extensive scientific study and review.