Look at the periodic table in number 1. Boron (B), Aluminum (Al), Silicon (Si), Germanium (Ge), Arsenic(As), what can be said about these elements that border the zigzag line on the table? They are * A.) Noble Gases
B.) Metals
C.) Nonmetals
D.) Metalloids

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

If blood contains 150g of hemoglobin per liter of blood, how much hemoglobin would be contained in 10 ml of blood

Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.