Electron subshells - Study guides, Class notes & Summaries

A green laser pointer emits light with a wavelength of 532 nm. What is the energy of 1 photon of this laser pointer? As before, 6.02 x10-23 is represented as 6.02 x 10^-32 in the answers below. - 3.73 x 10^-19 A radio station broadcasts on a frequency of 92.5 kilocycles/s. What is the wavelength of this radiation in km? - 3.24 km A shell is defined by the principal quantum number, n, and contains all subshells. (True or false) - True A subshell is defined by the principal quantum number, ...

Dr. Collins PCAT Chemistry, CRACK THE PCAT STUDY SET Questions and Answers with 100% Complete Solutions | verified &updated 2024 Atomic Number - Number of Protons, Electrons Mass Number - Total number of Protons and Neutrons Valence Electrons - Electrons farthest from the nucleus Ion - A positive or negative charge to an atom due to a loss or gain of electrons Atomic Weight - Weight in grams of one mole of a given element Mole - 6.022 x 10²³ particles of an element Isotope - Multiple sp...

How many electrons can each orbital hold? Two How many electrons can be held in each sub shell? S - 2 P - 6 D - 10 F - 18 Put the sub shells in order do their energy, lowest to highest S, p, d and f How do we fill the p and d subshells singly first and then doubly What is an orbital? A region of space around the nucleus where there is a 95% chances of finding an electron What is the Aufbau principle? An electron occupies the lowest-energy orbital that can receive it What ha...

Select one: a. Linear b. Trigonal Planar c. Bent d. Trigonal Pyramidal The three-dimensional manner in which the atoms of a molecule project into space is important because it affects which of the following Select one: a. Physical properties b. Solubility c. Melting point d. All of the above What is the predicted bond angle for a molecule with a trigonal bipyramidal geometry? Select one: a. 90 b. 120 c. 180 d. Only A and B are correct Which elements have a complete outer electr...

ACS General Chemistry 1 studysheet Exam 124 Questions with Verified Answers 56=Mass # (A) 26= Atomic # (Z) Fe= symbol - CORRECT ANSWER 56= 26= Fe= Mass Number - CORRECT ANSWER Proton+ Neutrons Atomic Number - CORRECT ANSWER # of protons/electrons (equal in elemental form) - superscript - CORRECT ANSWER Add e- + superscript - CORRECT ANSWER subtract e- Isotope - CORRECT ANSWER Diff number of neutrons Isomer - CORRECT ANSWER two or more compounds with the same # of elemen...

Chapter 3—Electronic Structure and the Periodic Law MULTIPLE CHOICE 1. 2. 3. 4. 5. 6. 7. 8. 9. Which of the following elements is found in the same period of the periodic table as tin? a. silicone b. arsenic c. tellurium d. technetium ANS: C PTS: 1 Which element is the first one in the group IVA(14) of the periodic table? a.C b.Na c. Sc d. Ti ANS: A PTS: 1 What is the symbol of the element that is in Period 4, and Group IIA(2) of the periodic table? a. Zn b. Ca c. C ANS: B PTS...

What is another name for the mass number? ֎ -:- nucleon number What is another name for the atomic number? ֎ -:- proton number What is an isotope? ֎ -:- atom of the same element with the same atomic number, and a different number of neutrons How is relative atomic mass measured? ֎ -:- relative to the mass of 1/12 of a carbon-12 atom What charge are ions in a mass spectrometer? ֎ -:- +1 What unit is given by a mass spectrometer? E x c e l l e n c e i s k e y | 2 0 2 4 / 2 0 2 5 ...

Aufbau principle - -procedure in which the electron configuration of the elements is determined by "building" them in order of atomic numbers, adding one proton to the nucleus and one electron to the proper subshell at a time core electron - -electron in an atom that occupies the orbitals of the inner shells electron configuration - -electronic structure of an atom in its ground state given as a listing of the orbitals occupied by the electrons Hund's rule - -Every orbital in a subshell...

1. Which of the following elements is found in the same period of the periodic table as tin? a. silicone b. arsenic c. tellurium d. technetium ANSWER: c POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 3/4/2016 3:37 PM DATE MODIFIED: 3/4/2016 3:37 PM 2. Which element is the first one in the group IVA(14) of the periodic table? a. C b. Na c. Sc d. Ti ANSWER: a POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False ...

Chapter 03 - Electronic Structure and the Periodic Law 1. Which of the following elements is found in the same period of the periodic table as tin? a. silicone ANSWER: POINTS: QUESTION TYPE: HAS VARIABLES: DATE CREATED: DATE MODIFIED: b. arsenic c. tellurium c 1 Multiple Choice False 3/4/2016 3:37 PM 3/4/2016 3:37 PM d. technetium 2. Which element is the first one in the group IVA(14) of the periodic table? a. C ANSWER: POINTS: QUESTION TYPE: HAS VARIABLES: DATE CREATED: DATE MODIFIE...