What kingdom is humans in!

Calculate the atomic mass of gallium if gallium has 2 naturally occurring isotopes with the following masses and natural abundances: Ga-69 68.9256 amu 60.11% Ga-71 70.9247 amu 39.89%?

Which quantum number represents the position of an electron relative to the nucleus?

Which of the following quantum number combinations is not allowed in an atom? n = 2, l = 0, m subscript l = 0 n = 3, l = 2, m subscript l = - 1 n = 6, l = 5, m subscript l = - 4 n = 1, l = 0, m subscript l = 1

What is a living compound that contains hydrogen?

Which phrase correctly describes temperature? A. average rotational kinetic energy of the particles in an object B. average energy of the particles in an object C. average transnational kinetic energy of the particles in an object D.

An average microwave uses a frequency of 2.54 GHz. How much energy is emitted?

Why scientist form a hypothesis

Step two of the procedure states: "Using sterile technique, place a loopful of inoculum from the M. luteus culture in the drop of nigrosin and mix." Which of the procedures qualifies as sterile technique?

If 4.34 moles of potassium react with excess water, how many moles of hydrogen gas would be produced at STP

What is the common name of sodium bicarbonate