Chemistry Unit 2 PArt 2 exam help

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Graded Assignment Name: SCI304A: Honors Chemistry | Unit 2 | Lesson 15: Unit Test Date: Graded Assignment Unit Test, Part 2 Answer the questions below. When you are finished, submit this assignment to your teacher by the due date for full credit. (5 points) 1. An atom of silicon has a mass number of 28 and an atomic number of 14. How can you determine how many protons and how many neutrons are in this atom? Score Answer: (5 points) 2. Electron A falls from energy level X to energy level Y and releases blue light. Electron B falls from energy level Y to energy level Z and releases red light. Which transition, from X to Y or from Y to Z, has a greater energy difference? Explain your answer and how you arrived at it. Use a diagram of the electromagnetic spectrum. Score Answer: Your Score © 2008 K12 Inc. All rights reserved. Copying or distributing without K12’s written consent is prohibited. ___ of 10 Page 1 of 1
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Graded Assignment

Name:

SCI304A: Honors Chemistry | Unit 2 | Lesson 15: Unit Test

Date:

Graded Assignment
Unit Test, Part 2
Answer the questions below. When you are f inished, submit this assignment to your teacher by the due date f or
f ull credit.
(5 points)

1.

An atom of silicon has a mass number of 28 and an atomic number of 14. How can you
d...

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