Write the chemical symbol for the ion with 12 protons and 10 electrons

Which combination of elements would produce an ionic compound? a. Nitrogen and carbon b. Carbon and oxygen c. Sodium and magnesium d. Potassium and sulfur e. Phosphorus and chlorine

What is usually released as a product in a combustion reaction? A.) elemental oxygen B.) elemental carbon C.) energy D.) a carbon - based fuel Which of the following best describes why MnSO4 - - - > MnO is NOT a synthesis reaction? A.

A syringe contains 56.05 mL of gas at 315.1 K. What volume will that gas occupy if the temperature is increased to 380.5 K? a) 12.41 b) 46.42 c) 67.68 d) 81.74

How many lead atoms are in a cube lead that has a volume of 7.00cm3 if the density of leads is 11.3g/cm3

What are the causes of the Earth's climate changes and people's management of these effect changes? (Compile a list of smaller questions that you must answer in order to get to that unit challenge)

Regalo puntos : v vengan a mi prros

Write a net ionic equation for the overall reaction that occurs when aqueous solutions of phosphoric acid (h3po4) and potassium hydroxide are combined. assume excess base. use the pull-down boxes to specify states such as (aq) or (s).

What are the coefficients that will balance the skeleton equation below? n + h ⟶ nh?

Restate Newtons first law in terms of acceleration

Why is burning is not a recommended method of disposing plastics