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Chemistry Exercise: Identifying Elements and Their Symbols, Atomic Masses, and Isotopes, Exercises of Chemistry

Alliance University Chemistry

A chemistry exercise consisting of various multiple-choice questions designed to help students identify the correct symbol for different elements, name halogens and metals, fill in the blanks with scientific notation, determine which elements have the same number of neutrons, and complete a table indicating the number of protons, neutrons, and electrons in different atoms and ions. Additionally, students are asked to determine the atomic mass of a new element based on the given isotope information.

Typology: Exercises

2011/2012

Uploaded on 12/23/2012

saiba 🇮🇳

4.3

(35)

165 documents

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Download Chemistry Exercise: Identifying Elements and Their Symbols, Atomic Masses, and Isotopes and more Exercises Chemistry in PDF only on Docsity! 1. (3 points) What is the correct symbol for each of these elements? boron calcium iron argon fluorine aluminum 2. (3 points) Name each of these elements. Ni Mg O Zn K Cl 3. (4 points) Fill in the blank using numbers in scientific notation: a. 3402 mm = _____________ dm c. 156 nsec = ____________ msec b. 334 cL = _____________ μL d. 8920 Kg = _____________ Gg 4. (1 point) Which two of these has the same number of neutrons? CIRCLE TWO: 5. (2 points) Give an example of a halogen (name and symbol). name__________________ symbol_______ 6. (2 points) Circle all of the metals in this list: bromine calcium chlorine chromium potassium 7. (3 points) Complete the table by indicating the number of each type of subatomic particle in each of these atoms and ions. Symbol # protons # neutrons # electrons Docsity.com

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