Ionic compound Study guides, Class notes & Summaries

Cancer can result if a)mitosis is too infrequent. b)mitosis is too frequent or does not stop. c)the cell cycle runs backward. d)the cell cycle stops. - ANSWER-mitosis is too frequent or does not stop The secondary structure of a protein molecule is the result of a)ionic bonds. b)covalent bonds. c)hydrogen bonds. d)oxygen double bonds - ANSWER-hydrogen bonds. Which of the following lists best illustrates the idea of increasing levels of complexity? a)Organelles, cells, tissues, o...

CHEM 103 FINAL EXAM WITH COMPLETE SOLUTIONS ### Questions and Answers **What do Lewis Structures represent in chemical bonds?** The transfer or sharing of electrons --- **What is the octet rule?** Every atom desires 8 electrons in its outer shell. --- **How is an ionic bond formed?** Through the transfer of one or more electrons from one atom or group of atoms to another. Example: NaBr --- **What do metals do in chemical reactions?** Give electrons --- ...

Valency correct answers How many electrons the atom need to fill shell - Shell 1: 2e- - Shell 2: 8e- - Shell 3: 18e- Covalent bonds correct answers - Sharing of electrons between atoms of the same or different element Compound correct answers - combo of 2+ different elements Electronegativity correct answers - Atoms attraction for e- in covalent bond (EX: H2O) - Determines the distribution of e- w/in a covalent bond - higher value = stronger attraction of electrons EX: O = 3.5...

Mixture with uniform density throughout and no distinguishable coponents.Answer - Homogeneous Mixture Mixture in which the components are readily distinguished.Answer - Heterogeneous Mixture A change in which the checmical composition of a substance remains the same.Answer - Physical Change A change in which the chemical bonds are broken and reformed to create a new and different substance.Answer - Chemical Change The simplest of substances and is represented by a specific letter...

Portage Learning / CHEM 104 / Module 1 to 6 Exams . MODULE 1 EXAM Question 1 Convert 845.3 to exponential form and explain your answer. 1. Convert 3.21 x 10-5 to ordinary form and explain your answer. 1. Convert 845.3 = larger than 1 = positive exponent, move decimal 2 places = 8.453 x 102 2. Convert 3.21 x 10-5 = negative exponent = smaller than 1, move decimal 5 places = 0. Question 2 Using the following information, do the conversions shown below, showing all work:...

Edexcel iGCSE Chemistry, question and answer with rated solution Experiment for Diffusion? 1) HCl placed at one end of the test tube, ammonia solution at the other. 2) Where they meet, a ring of Ammonium Chloride appears. 3) The diagram shows that the ammonia is closer to the ring, showing that ammonia must have travelled faster, showing it's a lighter gas. Experiment for Dilution? 1) Put a coloured substance in a solvent e.g food colouring in water. 2) Over the time, the colour le...

***Download Test Bank Immediately After the Purchase. Just in case you have trouble downloading, kindly message me, and I will send it to you via Google Doc or email. Thank you*** Biology: The Core 3rd Edition Exam Questions and 100% Correct Answers| Eric J. Simon The Test Bank for Biology: The Core, 3rd Edition by Eric J. Simon is a comprehensive study tool designed to aid in the understanding of fundamental concepts in biology. It contains a series of questions and answers that align with th...

BIO 1201 - MORONEY - EXAM 1 Questions With 100% Correct Answers Which statement about ALL living things is true? a. all living things are capable of sight b. all living things have a nervous system of some sort c. all living things are capable of reproduction d. all of the above e. non of the above C Compared to 40^K, the isotope 39^K has a. a different atomic number b. one less neutron c. one less proton d. one less electron e. one less proton and one less electron B ...

Chapter 01 - Structure and Bonding 1. Give the ground-state electron configuration for carbon (atomic number 6). 1s22s22px12py1 or 1s22s22p2 2. Give the ground-state electron configuration for fluorine (atomic number 9). ANSWER: POINTS: 1 1s22s22px2 2py2 2pz1 or 1s22s22p5 3. Give the ground-state electron configuration for magnesium (atomic number 12). 1s22s22p63s2 4. How many electrons does silicon have in its valence shell? ANSWER: four POINTS: 1 Exhibit 1-1 Write valid Lewis (elec...

Module Two Chem 101 Problems Exam Questions And Answers 100% Solved 2024 Carbon dioxide is a _____ compound composed two types of _____ atoms. A. Molecular, metal B. ionic, metalloid C. molecular, nonmetal D. ionic, metal - answerC. molecular, nonmetal Carbon dioxide is a molecular compound composed of two oxygen atoms with covalent double bonds to a central carbon atom. Both C and O are to the right of the "staircase" on the periodic table, as nonmetals. Classify the following compo...