Ionic vs covalent bonds - Study guides, Class notes & Summaries

TBR OCHEM EXAM QUESTIONS & ANSWERS 2024 *Ch1 Molecular Structure* - ANSWER-*Reviewed on 020518*. I'd review this chapter again until you're comfortable with the content, understand not memorize. Carboxylic acid example CO2H - ANSWER-H3CCH2Ch2*CO2H* *-ic acid* Aldehyde example CHO - ANSWER-H3CCH2Ch2*CHO* Forces holding organic tails of micelle are VDW - ANSWER-Micelle needs 1. Polar head 2. Alkyl tail Ionic vs. covalent bonds - ANSWER-Ionic: complete transfer of electrons ...

DAT Biology Review Practice Exam Questions & Answers. atom - CORRECT ANSWER made up of neutrons, protons, and electrons molecules - CORRECT ANSWER groups of 2 or more atoms joined via chemical bonds. chemical bonds are due to electron interactions. electronegativity - CORRECT ANSWER defines the ability of an atom to attract electrons. intramolecular bonds - CORRECT ANSWER ionic and covalent bonds intermolecular bonds - CORRECT ANSWER hydrogen bonds ionic bond - CORRECT ANSWER...

dependent: a variable whose value is measured during an experiment to see if it is influenced by changes in the independent variable. independent: a variable whose value is controlled and manually changed during an experiment to reveal effects on the dependent. - ️️define: dependent vs. independent variables living organisms have cells, movement, reproduction and growth abilities. - ️️compare living organisms with nonliving objects. viruses have DNA. however, they are not made of ...

Matter - Anything that occupies space and has a mass Three Physical States of Matter - Solid, liquid, gas Element - Substance that cannot be broken down into other substances by chemical reactions Four elements that make up about 96% of the weight and most cells: - Oxygen, carbon, hydrogen, nitrogen Atoms - The smallest functional units of matter that form ALL chemical substances Three subatomic particles - Protons, Neutrons, Electrons Protons - Positive charge, found in nucleus. Number o...

Chem 219 Unit 1 Exam Questions With 100% Correct Answers catenation - answerthe bonding of an element to another atom of the same element (carbon likes to do catenation) What controls the properties and reactivity of an organic molecule? - answerThe molecule's shape and composition Why do atoms form bonds to other atoms? What is the driving force for atoms to join together? - answerenergetic stability What does energetically stable mean? - answerAtoms of elements are more stable when th...

Know the characteristics of prokaryotes vs. eukaryotes and the kingdoms that fall under each category. - prokaryotic - (single-celled, 3.5byo, smaller, no nucleus/membrane-bound organelles, Archaebacteria & Eubacteria) eukaryotic - (mostly multicellular (except for some protists), 1.5byo, larger, have nucleus and membranebound organelles, Plants, Fungi, Protists, Animals) What is a change in gene frequency of a population over time due to natural selection? - Evolution Evolution occurs prim...

Chem 219 Unit 1 Exam Questions With 100% Correct Answers catenation - answerthe bonding of an element to another atom of the same element (carbon likes to do catenation) What controls the properties and reactivity of an organic molecule? - answerThe molecule's shape and composition Why do atoms form bonds to other atoms? What is the driving force for atoms to join together? - answerenergetic stability What does energetically stable mean? - answerAtoms of elements are more stable when th...

PHA 317 Exam 1 | Questions and Answers (Complete Solutions) How closely a measured value is to the correct value is ___ Accuracy How closely individual measurements are relative to each other is ___ Precision Regarding significant figures, ALL nonzero digits are ___ (i.e. - 12.768) Significant Regarding significant figures, a zero is ___ when followed by a nonzero number. (i.e. - 12.076) Significant Regarding significant figures, a zero after a decimal and before a nonzero number is ___ (i.e. ...

Identify the Abiotic factors from the list below (Select 4) Air Temperature Elevation Mineral Composition Bacteria Animals Plants Rainfall Air Temperature Elevation Mineral Composition Rainfall Which of the following has the correct order of items from the smallest to largest? * Organism, Community, Population, Ecosystem, Biosphere Atom, Molecule, Organism, Population, Ecosystem Molecule, Organism, Ecosystem, Population, community Molecule, Atom, Organism, Ecosystem, Population A...

Chem 219 Unit 1 Exam with Correct Solutions catenation - Answer -the bonding of an element to another atom of the same element (carbon likes to do catenation) What controls the properties and reactivity of an organic molecule? - Answer -The molecule's shape and composition Why do atoms form bonds to other atoms? What is the driving force for atoms to join together? - Answer -energetic stability What does energetically stable mean? - Answer -Atoms of elements are more stable when they for...