Which answer choice represents a balanced alpha emission nuclear equation? A. 52 26 Fe - - > 52 25 Mn + 0 ⁺1 e. B. 235 92 U - - ▻ 239 94 Pu + 4 2 He C. 189 83 Bi - - ▻ 185 81 Tl + 4 2 He D. 14 6 C - - ▻ 14 7 N + 0 - 1 e

Where does a wolf get energy from? Where does a rabbit get energy from? Where does a plant get energy from? Where does a mushroom get energy from?

How do buffers affect the pH of a solution? I would greatly appreciate an answer to this question.

The energy of rest, or stored energy A. Work B. Kinetic Energy C. Potential Energy D. Energy

Which substance has a chemical symbol that is derived from a Latin name? A. potassium B. hydrogen C. oxygen D. calcium

P waves travel through A. solids B. liquids C. solids, liquids and gases D. solids and liquids

A flask containing 155cm^3 of hydrogen was collected under a pressure of 22.5kPa. What pressure would have been required in order for the volume of the gas to have been 90.0 cm^3 at constant temperature?

Which change is most likely to occur when a molecule of H2 and a molecule of I2 collide with proper orientation and sufficient energy? 1. a chemical change, because a compound is formed 2. a chemical change, because an element is formed 3.

Which substance is a diatomic molecule? a. he b. o2 c. co2 d. h2o?

What is the difference between the electronegativity values of sodium and bromine?

Which of the following elements is the most stable element? argon, manganese, phosphorus, robidium