What is the difference between a chemical symbol in a chemical formula

Removing one electron from an atom results in the formation of an a. ion with a 1 + charge. b. ion with a 1 - charge. c. ion with a 7 + charge. d. ion with a 7 - charge.

What is the oxidation state magnesium?

For the simple decomposition reaction: AB (g) LaTeX: / longrightarrow⟶ A (g) + B (g), the rate = k{AB}2 ({ = [) and k = 0.85 1/MLaTeX: / cdot⋅s.

Which of the following cointains electrolytes A. Sodium Chloride solution B. Pure water C. Covalent molecules D. sugar solution

Explain how to determine the molecular formula of a compound?

What is an example of making a qualified observation

With respect to composition, how is the compound made from hydrogen and oxygen different from mixtures of these two elements?

How should scientist respond when new evidence that challenges current is presented?

Consider the following reaction, equilibrium concentrations, and equilibrium constant at a particular temperature. Determine the equilibrium pressure of H2. D2 (g) + H2 (g) ⇌ 2 HD (g) Kp = 1.80 P (D2) eq = 1.1 * 10-3 atm P (HD) eq = 2.7 * 10-3 atm

Find δe for the change in state of 1.0 molh2o (l) at 79 ∘c to h2o (g) at 116 ∘c. the heat capacity of h2o (l) = 75.3 j/molk, heat capacity of h2o (g) = 25.0 j/molk, and the heat of vaporization of h2o is 40.7*103j/mol at 100 ∘c.