What is an orbital shell

Complete the table below by filling in the principal quantum number n and angular momentum quantum number l for each electron subshell listed. subshell principal quantum number n angular momentum quantum number l 4f 7s 4p 7p

What is the sign of the heat change for an exothermic reaction? for an endothermic reaction?

What is the amount of energy carried by a photon that has a frequency of 3.76 x 1014 Hz?

Which of the following is considered a hypothesis as opposed to an observation

To what volume should you dilute 30 mL of a 10.0 M H2SO4 solution to obtain a 0.170 M H2SO4 solution?

A covalent chemical bond is one in which outer-shell electrons of two atoms are shared so as to satisfactorily fill the outer electron shells of both atoms. protons and neutrons are shared by two atoms so as to satisfy the requirements of both atoms.

To break a chemical bond, energy must be (1) absorbed (2) destroyed (3) produced (4) released

In an experiment, 132 grams of potassium bromide (KNO3) was dissolved in 100 grams of water at 70 °C in 1 minute.

Would an ice cube melts faster when you put food coloring on it

Use the following half-reactions to design a voltaic cell: Sn4 + (aq) + 2 e - → Sn2 + (aq) Eo = 0.15 V Ag + (aq) + e-→ Ag (s) Eo = 0.80 V What is the overall cell potential? Group of answer choices