Octet rule - Study guides, Class notes & Summaries

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...

Which one of the following lists shows the correct order of biological organization? - Population, community, ecosystem, biosphere A modification that makes organisms more suited to their environment is called a/an: - Adaptation During a scientific experiment, the control group is: - Identical to the experimental group in all areas except the variable being tested When an atom has 2 or more electron shells, the outer shell will be most stable if it contains 8 electrons. This concept is cal...

Describe the properties of subatomic elements, elements, and compounds - Answer An element is a substance that cannot be broken down to other substance. Each element consists of unique atoms. Atoms composed of subatomic particles: neutron, proton, electron. Neutrons and Protons form the nucleus of an atom. Electrons are negatively charged particles that form a cloud around the nucleus. A compound is a substance consisting of two or more elements in fixed ratio. How can radioactive isotopes...

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 ...

Cell Biology 112 Exam 1 PCC 100% Correct Induction Specific to general Deduction General to specific Archae/Bacteria Prokaryote. One-cell. No nucleus. Eukarya Eukaryotes. Multi-cell. Has a nucleus. Protons Found in nucleus. Positive charged. Nuetrons Found in nucleus. Neutral charge. Electrons Found in outer shells. Negative charge. Atomic Number Number of protons. Never varies. Atomic Mass Number of protons and neutrons in the nucleus. To determine number of nue...

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...

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. ...

GENERAL CHEMISTRY QUESTIONS AND ANSWERS | LATEST UPDATE | 2024/2025 | GRADED A+ What is the difference between an ionic bond and a covalent bond in terms of electron transfer and sharing? An ionic bond involves the transfer of electrons from one atom to another, creating positively and negatively charged ions, whereas a covalent bond involves the sharing of electron pairs between atoms. How does the concept of atomic orbitals explain the bonding in molecules? Atomic orbitals des...

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...

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...