Perodic Trends Assignment- WordClaleعرضابجد موزأبجد موزابجد هوزAo - Aa A Aايجد هوزتأکید دقيقV olgic田、AA v D v Ax xblaiBromine is a liquid at room temperature, while the other elements all gases under ordinaryconditions. As the temperature is lowered or pressure is increased, the other elementsbecome diatomic liquids.3. Compare the properties of elements in groups 17 and group 18. Make sure tocover the following points:a. What type of elements are found in each group?b. Describe the reactivity of the elements in each groupc. Are the properties of both groups of elements different or similar?d. Explain why the two groups of elements have been placed side by side.国Alef Education Confidential & Proprietary InformationPage 2 of 4ت المتحدة(clawahp

Answered: Image /qna-images/answer/700402a6-a7c3-49bc-9cd1-f9fca14ef0ac.jpg

Answered: become diatomic liquids. 3. Compare the…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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1. How many lone pairs does a phosphorus atom have? 2. How many oxygen atoms are present in a mole of carbon dioxide (CO2) 1 mole= 6.023x1023 entities note: entities may be molecules, atoms, subparticles, etc. a.6.02x1023 atoms b.2 atoms c.1.2x1024 atoms d.1 atom 3. The Bohr atomic model states that electrons move from one orbit to another orbit when they absorb or emit photons Select one: True False
1. Evaluate how the elements in period 4 to show how the physical state changes as the atomic number increases. 2. Define what an element key contains. 3. How would the modern periodic table be different if elements were arranged by average atomic mass instead of by atomic number.
I dont undetstand this part
Generally, how do atomic masses vary throughout the periodic table of the elements? A. They incrcase from left to right and top to bottom. B. They increase from left to right and bottom to top. C. They increase from right to left and top to bottom. D. They increase from right to left and bottom to top.
Answer B and D
Which of these elements has the smallest atomic radius? A. Lithium B. Florine C. Bromine D. Chlorine
What is the ion configuration of the chlorine ion, CI? O A. 1s2 2s2 2p 3s2 3p3 O B. 1s2 2s2 2p 3s2 3p6 O C. 1s 2s? 2p6 3s? 3p5 O D. 1s2 2s2 2p 3s2 3pt Lenovo
Which element is solid at room temperature and a good conductor of heat and electricity? A. hydrogen B. phosphorus C. boron D. sodium
1. The identity of an element is determined by: a. protons b. neutrons 2. Which of the following statements about the periodic table is TRUE? a. The alkaline earth metals are the most reactive group of elements b. The majority of elements on the table are metals c. All non-metals are gases at room temperature d. The most reactive non-metal is astatine 3. Fill in the table below for the following atom: ¹94W²+ (2 marks) Number of protons Element c. electrons d. all of these b. N
Al W W WEW THE TR Th Th TT 4 Which element's atoms will most likely never have a chemical reaction? A. Halogen elements C. Boron group B. Nitrogen group D. Noble gas elements 5 Which two atoms have the same electron configuration? A. O2 & Ne B. 0²- & S²- C. 0² & C D. 0² & B 6 Which two atoms have the same electron configuration? A. Ca²+ & Se²- C. Ca²+ & Mg²+ D. Ca²+ & Si B. Ca²+ & Ar 7 Which of the following elements will have the fastest chemical reaction? A. Na B. Al C. Si D. P 8 Which of the following elements will have the fastest chemical reaction? A. I B. Br C. CI D. F Which of the following element's atoms will NOT have an octet of electrons when 9 the atom is ionized? A. Li B. Na C. K D. Rb 10 What is the octet rule? A. All atoms when they chemically react will have only 8 electrons after the reaction is completed. B. Most atoms when they chemically react will try to have 8 valence electrons after the reaction is completed. C. Most atoms when they chemically react will give 8…

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