A east.cengagenow.comPBc OWLV2 | Online teaching and learning resource from Cengage LearningPQ[Review Topics][References)Use the References to access important values if needed for this quAn ion from a given element has 30 protons and 28 electrons.reqWhat is the charge on the ion?reqWhat is the name of the element?What is the symbol for the ion?MMRetry Entire Group7 more group attempts remainingeqSubmit Answereqeqbebebe A east.cengagenow.comPQPBC OWLV2 | Online teaching and learning resource from Cengage Learning[Review Topics][References]Use the References to access important values if needed for this question.Write an equation that shows the formation of the nitride ion from a neutral nitrogen atom.Represent electrons as eIf a box is not needed, leave it blank.If the coefficient is 1, do not write it.+Submit AnswerRetry Entire Group8 more group attempts remaining

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Living By Chemistry: First Edition Textbook

1st Edition

ISBN:9781559539418

Author:Angelica Stacy

Publisher:Angelica Stacy

ChapterU1: Alchemy: Matter, Atomic Structure, And Bonding

SectionU1.18: Life On The Edge: Valence And Core Electrons

Problem 6E

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An unknown element is a nonmetal and has a valence-electron configuration of ns2np4 . How many valence electrons does this element have? . Possible identities for this element include which of the following? msp;CL,S,Pb,Se,Cr
Which of the following is true about an individual atom? Explain. a. An individual atom should be considered to be a solid. b. An individual atom should be considered to be a liquid. c. An individual atom should be considered to be a gas. d. The state of the atom depends on which element it is. e. An individual atom cannot be considered to be a solid, liquid, or gas. Justify your choice, and for choices you did not pick, explain what is wrong with them.
List the characteristic physical properties that distinguish the metallic elements from the nonmetallic elements.
8. An instructor gave you directions to construct a model of the CH3CH2Br molecule by following t Experimental Procedure section of your experiment. First, you will need to find the number of valence electrons in CH3CH2Br. The number of va ence electrons in an atom of an element is said to be equal to the last d git in the group number of that element in the Periodic Table. How many sticks do you need if the electrons in the molecule are paired, and each post constitutes an electron pair? 9. An instructor gave you directions to construct a model of the CH3CH2Br molecule by following the Experimental Procedure section of your experiment. Now you assemble a skeleton structure for the molecule by connecting the balls with sticks into one unit. A ball has holes representing how many bonds an atom can form. You use the rule that C atoms form four bonds, while Br atoms usually do not. What is the sketch of the skeleton? 10. An instructor gave you directions to construct…
Answer each question in 5 to 10 sentences only. 1. Why are the groups in the periodic table divided into A and B? Why is it important to separate the elements into A and B groups, such as Group 1A and 1B, 2A and 2B, and so on? I will upvote, I promise
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Q. why dose higher atomic weight elements in the firsts two groups in the periodic table r(alkaline and alkaline earth metals have lower electron attraction power /atomic size than non metals in the last two groups -except the noble gases - even when they have higher atomic number and masses -take sodium as an examole to metals and oxygen to non-metals
MAKE SURE TO SHOW WORK FOR EACH ONE! Predict ion formed by each element A. F B. N C. mG D. Na SHOW WORK EACH ONE THANKS
Based on its outer shell, the atom in figure 2.5 would be characterized as ___.
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An ion from a given element has 30 protons and 28 electrons. What is the charge on the ion? What is the name of the element? What is the symbol for the ion?