An alpha particle is made up of

A. two protons and two electrons

B. two electrons only

C. two protons and two neutrons

When 15.0 mL of a 6.42*10-4 M sodium sulfide solution is combined with 25.0 mL of a 2.39*10-4 M manganese (II) acetate solution does a precipitate form? (yes or no) For these conditions the Reaction Quotient, Q, is equal to.

The amount of which subatomic particle is different between an atom and its ion?

What are the functions of arteries, veins, and capillaries?

Among the following, which element has the highest second ionization energy? I Na Cs Cl

Be sure to answer all parts. Which product (s) form (s) at each electrode in the aqueous electrolysis of the following salts? Select as many as apply.

Unit conversions. (a) Convert 10,000 dynes to units of lbm ∙ ft/s^2 and lbf (b) Convert 0.2 atm to units of Kpa and lbf/in^2 (c) Convert 37 °C (physiological temperature) to units of °F and K. (d) Convert 50 in 2 ∙ lbm/s^2 units of joules and cal.

How much CO2 is produced from 10g of CH4?

Balance the following redox reaction in acidic solution. Zn (s) + MnO-4 (aq) → Zn+2 (aq) + Mn+2 (aq)

66.0g of dry ice (solid carbon dioxide)

Select all the discoveries for which ernest rutherford is credited. the emissions of radioactive elements the neutron the electron the proton