Complete the chemical change. Na → Na+

a.) 2e-

b.) proton

c.) 1e-

Calculate the ionization energy of doubly ionized lithium, li2+, which has z=3.

Which of the following pairs of elements would form a substance that is held together by metallic bonds?

Write a balanced nuclear equation for the alpha decay of americium-241

How many sulfur dioxide molecules are in 2.8 moles of sulfur dioxide

Which direction does an object move if a force is applied to it?

What is the name of the compound that has the formula N2O? a. nitrogen oxide b. dinitrogen oxide c. nitrogen dioxide d. dinitrogen monoxide

10) What does mRNA copy and carry the code to produce? (1pt) a) DNA b) Proteins

How many neutrons are in an atom of molybdenum-96 (Mo-96)

One mole of any gas takes up how much space at stp

A proton moves through a region of space where there is a magnetic field B = (0.45i + 0 38j) T and an electric field E = (3.0 i - 4.2 j) x 10^3 V/m. At a given instant, the proton's velocity is V = (6.0 i + 3.0 j - 5.0 K) x10^3 m/s.