What is the product of the second alpha decay in this series

A) Pa-228

B) Ra-224

C) Th-224

D) U-232

Be sure to answer all parts. Find the pH during the titration of 20.00 mL of 0.1000 M triethylamine, (CH3CH2) 3N (Kb = 5.2 * 10-4), with 0.1000 M HCl solution after the following additions of titrant. (a) 11.00 mL: pH = (b) 20.60 mL: pH = (c) 25.

From reading what's hereThat neutrons weigh a bit more than protons Is that bit more about the same as the weigh of an electronAnd if so could it be a positronOr anti-electron

Compounds formed when non-metals react with metals consist of particles called ionic compound

Which of the statements below is correct regarding the gravity of the Earth? The Earth's gravity ... Group of answer choices A. Pulls on the gases in the Earth's atmosphere. B. Pulls on the oceans on the Earth's surface. C.

Why must the final product of a decay series be stable? The daughter isotope of any radioactive decay is stable. No decay chain can emit more than two particles. Each decay results in a net loss of particles.

A 4.5-liter sample of a gas has 0.80 mole of the gas. If 0.35 mole of the gas is added, what is the final volume of the gas? Temperature and pressure remain constant. 3.9 liters 5.3 liters 6.3 liters 6.5 liters

What is the unit used to measure the atomic mass?

Which metal in Period 5 is very reactive and has two valence electrons in each atom? rubidium (RD) strontium (SI) zirconium (Z1) silver (Ag)

Sara and Sam went for a two-hour drive. According to the graph, between. 75 hours and 1.25 hours into their trip, they A) slowed down to a speed of 15km/hour. B) travelled at a constant rate of 30km/hour.

Define the following terms: acids, bases, oxoacids, oxoanions, and hydrates.