Sharing of electrons - Study guides, Class notes & Summaries

The longer the wavelength the higher the energy of an electromagnetic wave - False Which of the following elements has a valence of two? - Oxygen and Sulfur What type of bond is formed by the equal sharing of valence electrons? - A non-polar covalent bond Polar molecules, such as water, will commonly participate in which of the following intermolecular interactions - Hydrogen bonding with polar molecules. Electrostatic interaction with ionic compounds. Which of the following compounds wou...

Lewis Structures - represents the transfer or the sharing of electrons in chemical bonds octet rule - EVERY ATOM WANTS 8 ELECTRONS IN THEIR OUTERSHELL ionic bonding - chemical bond formed through the transfer of one or more electrons from one atom or group of atoms to another group EX : NaBr metals - give nonmetals - take oxidation number - the superscript indicating the charge on an ion ion - atom with either positive or negative charge binary compound - compounds in which 2 elements a...

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 --- ...

UCI Bio 93- Midterm 1 Latest Version Already Passed smallest unit of chemical elements atoms two or more atoms combined molecules two or more elements combined in a fixed ration compound ... are 4 elements that make up 96% of all living matter C, O, H, N what is the strongest bond? covalent bond sharing of electrons by two atoms covalent transfer of electrons between two atoms ionic what is a weak bond? hydrogen bond the H atom forms one covalent bond and a second w...

BIOLOGY 93 UCI MIDTERM 1 KEY TERMS 100% CORRECT Hypothesis a tentative answer to a well framed question - an explanation on trial Prediction A logical statement about what will happen if the hypothesis is correct. Experiment a repeatable procedure that is used to test a hypothesis (a scientific test carried under controlled condition) Variable factors that vary in an experiment Controlled Experiment An experiment in which all factors are identical except the one being tested....

Penn Foster - Biology Lesson 1, The Nature of Science, the Chemistry of Life, and Ecology, Exercise Answer Key 100%Pass What is the scientific method? A systematic approach to investigating natural phenomena through observation, hypothesis formation, experimentation, and analysis. What are the four major elements that make up most of the human body? Carbon, hydrogen, oxygen, and nitrogen. What is the role of enzymes in biochemical reactions? Enzymes act as catalysts to spe...

Chemistry 111: General Chemistry 1: Practice Test 2 (Chapter 3, 4, and 5) 60 Questions with Verified Answers Which of the species below has 28 protons and 26 electrons? A) ⁵⁴₂₈Ni B) Ni²⁺ C) ⁵⁴₂₆Fe D) Fe²⁺ - CORRECT ANSWER B) Ni²⁺ How many electrons are in the ion, P³⁻? A) 18 B) 28 C) 12 D) 34 - CORRECT ANSWER A) 18 In which of the following sets do all species have the same number of electrons? A) O, O²⁻, O²⁺ B) Br⁻, Kr, Sr²⁺ ...

Biology 1201 Final Exam Gregg with Complete Solutions subatomic particles protons, neutrons, electrons Proton charge and location positive, nucleus neutron charge and location neutral, nucleus Electron charge and location negative (-) and outside nucleus in electron cloud valence electrons electrons in the outermost shell incomplete valence shells atoms can share or transfer electrons with other atoms, or make chemical bonds Atoms valence Bonding capacity = the number of...

True or false: observations allow scientists to draw tentative explanations called hypotheses. -false -true - ANSWER true The negatively charged components of atoms are referred to as: -anions -electrons -neutrons -protons -cations - ANSWER electrons Which one of the following contributes to the measurement referred to as atomic mass? -protons and electrons -protons and neutrons -neutrons only -electrons and neutrons -protons, electrons, and neutrons - ANSWER protons a...

Portage Learning CHEM 210 exams 1-8 and final exam Question 1 3 / 3 pts True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule. True Correct! False Question 2 3 / 3 pts True or False: Biomolecules can have only two functional groups. True Correct! False Question 3 3 / 3 pts True or False: The following functional group is an alcohol. True Correct! False Question 4 3 / 3 pts True or False: In ...