Quantum phenomena Study guides, Revision notes & Summaries

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Straighterline Chemistry Final Exam Test Questions And Answers. What is the term used for findings that are summarized based on a pattern or trend? a. Law b. Hypothesis c. Theory d. Phenomena e. Prediction - Answer a. Law Which of the following is a tentative explanation for a set of observations? Select one: a. Law b. Hypothesis c. Theory d. Phenomena e. Prediction - Answer b. Hypothesis If a liquid contains 60% sugar and 40% water throughout its composition then what is it calle...

Protons correct answers defines the element; positive charge; equal to the atomic number Neutrons correct answers equal to mass number-number of protons; neutral charge Electrons correct answers negative charge; dependent on the charge of the atom Cations correct answers Positively charged ions Anions correct answers Negatively charged ions Isotopes correct answers when the number of neutrons varies but it has the same number of protons ex) Ne-20 and Ne-22` What was believed un...

Threshold Frequency The minimum frequency required to allow for the emission of a photoelectron from the surface of a metal, the point where emission occurs with no kinetic energy Photoelectric Effect A process in which the following occurs: - A beam of light illuminates a metal surface - If the frequency of the light meets threshold frequency, the work function is overcome - Emission of photoelectrons occur - There is no time delay for the process - Any remaining energy is convert...

Isotopes CORRECT ANSWER when the number of neutrons varies but it has the same number of protons ex) Ne-20 and Ne-22` What was believed until the beginning of the 20th century? CORRECT ANSWER That all physical phenomena were deterministic Light CORRECT ANSWER Form of electromagnetic radiation What is electromagnetic radiation composed of? CORRECT ANSWER perpendicular oscillating waves, one for the magnetic field and one for the electric field Quantum number n CORRECT ANSWER size, n&g...

Straighterline Chemistry Final- deck 1 Questions and Answers Already Passed What is the term used for findings that are summarized based on a pattern or trend? a. Law b. Hypothesis c. Theory d. Phenomena e. Prediction a. Law Which of the following is a tentative explanation for a set of observations? Select one: a. Law b. Hypothesis c. Theory d. Phenomena e. Prediction b. Hypothesis If a liquid contains 60% sugar and 40% water throughout its composition then what is it...

TX PACT 4-8 CORE (790)How many SFs in 0.? - correct answer 8 SFs: Addition and Subtraction Rules - correct answer answer has the same # decimal places as numeral w/the smallest # of decimal places. EX: 1063.02 + 12.5 = 1075.5 SFs: Multiplication/Division Rules - correct answer answer has the same # of SFs as numeral with smallest # of SFs. EX: 1063.02 x 12.5 = 13287.75 => 1.33 x 10^4 Define: Hypothesis, Theory, and Scientific Law - correct answer Hypothesis: testable prediction ba...

Protons correct answers defines the element; positive charge; equal to the atomic number Neutrons correct answers equal to mass number-number of protons; neutral charge Electrons correct answers negative charge; dependent on the charge of the atom Cations correct answers Positively charged ions Anions correct answers Negatively charged ions Isotopes correct answers when the number of neutrons varies but it has the same number of protons ex) Ne-20 and Ne-22` What was believed un...

ACS Chemistry general Exam With 100% Correct Answers atomic number = - answer# of protons mass number = - answer# of protons + neutrons the number of protons in a neutral atom will equal the - answer# of electrons how to find the correct number of neutrons - answermass number - atomic number Forms of the same elements that differ in amount of neutrons - answerisotopes What particle, if lost from the nucleus, would NOT cause a change in the atomic number? - answera neutron because it has ...

Straighterline Chemistry Final Exam Test Questions And Answers. What is the term used for findings that are summarized based on a pattern or trend? a. Law b. Hypothesis c. Theory d. Phenomena e. Prediction - Answer a. Law Which of the following is a tentative explanation for a set of observations? Select one: a. Law b. Hypothesis c. Theory d. Phenomena e. Prediction - Answer b. Hypothesis If a liquid contains 60% sugar and 40% water throughout its composition then what is it calle...