Octet rule - Study guides, Class notes & Summaries

BIO 181 Exam# 1 (Chapters 1, 2, 3, 4 and Labs 1, 2, 3)Describe the six characteristics of all living organisms. - correct answer Cellular Organization: made up of cells Ordered Complexity: very complex Sensitivity: responds to environment Growth, Development, and Reproduction: Energy Utilization: make energy and convert to usable Homeostasis: maintain internal factors at a steady rate Evolutionary Adaption: changes based on environment Define hypothesis. Describe two traits that a good...

Organic chemistry: correct answer: The study of carbon-containing compounds except elemental carbon (diamond, graphite, coal), CO2, CO, carbonates, and cyanides. Inorganic chemistry: correct answer: Studies the elements and everything else. The principle components of food, fuels, wood construction, and clothing are organic compounds. Octet rule: correct answer: A chemical rule of thumb that reflects observation that atoms of main-group elements tend to combine in such a way that each a...

ACS General Chemistry 1 studysheet Exam 124 Questions with Verified Answers 56=Mass # (A) 26= Atomic # (Z) Fe= symbol - CORRECT ANSWER 56= 26= Fe= Mass Number - CORRECT ANSWER Proton+ Neutrons Atomic Number - CORRECT ANSWER # of protons/electrons (equal in elemental form) - superscript - CORRECT ANSWER Add e- + superscript - CORRECT ANSWER subtract e- Isotope - CORRECT ANSWER Diff number of neutrons Isomer - CORRECT ANSWER two or more compounds with the same # of elemen...

Ionic bonds: are characterized by electrostatic attraction of opposite charges between atoms consist of a uniform distribution of atomic nuclei surrounded by delocalized electrons are arranged as individual bonds between a single cation and a single anion are characterized by the mutual attraction of shared electrons between atoms are characterized by electrostatic attraction of opposite charges between atoms Transition metals: typically gain electrons to fill the outermost ...

Bio 210 lecture exam 1 questions and answers rated A+ Anatomy studies the form and structure of the body. Physiology examines living organisms and their parts of how they function Microscopic anatomy examines structures that cannot be observed by the unaided eye Two main subdivisions of microscopic anatomy cytology and histology cytology study of cells Histology study of tissues Gross anatomy or macroscopic anatomy investigates the structure visible to the aided eye Sy...

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 wh...

Chem 219 - Exam 1 Study Guide; Questions and Answers 100% Solved Valence number of bonds an atom is likely to form makes up the shell for LDD Follows the octet rule Main 8 groups of elements are satisfied with 4 pairs of 2 electrons; 8 total electrons Ionic Bonds Formed when one or more electrons are transferred from one atom to another Cation A positively charged ion Anion A negatively charged ion covalent bond A chemical bond formed when two atoms share electrons Purely covalent ...

DAT General Chemistry Questions and Answers | Latest Update | 2024/2025 | Graded A+ How is the periodic table arranged to reflect the properties of elements? The periodic table is arranged by increasing atomic number, with elements grouped into columns (groups) and rows (periods) that reflect similar chemical properties and trends in atomic structure. What is the role of a chemical equation in representing a chemical reaction? A chemical equation represents a chemical reaction by...

The fundamental unit of life is the correct answers e. cell. Heterotrophs obtain their energy from correct answers c. other organisms. The initial accumulation of oxygen in the atmosphere was the result of photosynthesis from an organism most like modern correct answers a. cyanobacteria (blue green algae). Ozone is important to life on Earth because it correct answers c. blocks much ultraviolet radiation. Eukarya include correct answers e. All of the above The part of the atom tha...

CHEM 103 FINAL EXAM Questions And Answers Well Illustrated. Lewis Structures - correct answer. represents the transfer or the sharing of electrons in chemical bonds octet rule - correct answer. EVERY ATOM WANTS 8 ELECTRONS IN THEIR OUTERSHELL ionic bonding - correct answer. chemical bond formed through the transfer of one or more electrons from one atom or group of atoms to another group EX : NaBr metals - correct answer. give nonmetals - correct answer. ...