Valence Study guides, Class notes & Summaries

Protons correct answers defines the element; positive charge; equal to the atomic number Neutrons correct answers equal to mass number-number of protons; neutral charge Electrons correct answers negative charge; dependent on the charge of the atom Cations correct answers Positively charged ions Anions correct answers Negatively charged ions Isotopes correct answers when the number of neutrons varies but it has the same number of protons ex) Ne-20 and Ne-22` What was believed un...

CHEM 210 Biochemistry 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 a eukaryot...

PAX Science NLN Exam Questions and Answers Latest 2022 Graded A A person blows his breath into a straw that is placed in limewater. The limewater becomes cloudy because the person's breath contains A.) carbon dioxide. B.) hydrogen. C.) oxygen. D.) nitrogen. answer: carbon dioxide. A physician measures the pulse and blood pressure (BP) of all patients on a routine basis. Which of these measurements show the normal BP values for a resting adult patient? A.) 125/95 mm Hg B.) 120/80 mm Hg C...

CBR - Chemical Bonding (Valence Electrons, Lewis Dot Diagrams, Covalent Bonding & Ionic Bonding)

AC-HPAT Chemistry Study Guide 2023 with complete solution double-displacement reaction A double displacement reaction, also known as a double replacement reaction or metathesis, is a type of chemical reaction where two compounds react, and the positive ions (cation) and the negative ions (anion) of the two reactants switch places, forming two new compounds or products Precipitate precipitate is an insoluble solid that emerges from a liquid solution. The emergence of the insoluble solid fro...

VALENCE ELECTRONS AND CHEMICAL REACTIONS QUESTION AND ANSWER 2024 GRADED A+ UPGRADE

NORMAL HUMAN BODY TEMPERATURE ON THE CELSIUS SCALE IS _______ DEGREES. - Correct Answer 37 WHAT IS THE VALENCE OF Ne? - Correct Answer 0 CUPRIC'S VALENCE IS - Correct Answer +2 THE CHEMICAL SYMBOL FOR MERCURY IS - Correct Answer Hg THE STANDARD UNIT OF HEAT IS THE _______? - Correct Answer CALORIE WHICH POLYATOMIC ION IS REPRESENTED BY THE SYMBOL (NH4)+1 ? - Correct Answer AMMONIUM WHAT DOES THE PREFIX "CENTI-" REPRESENT? - Correct Answer 1/100 WHICH OF THE FOLLOWING IS T...

Incidence and Prevalence of Sleep Disorders Effects of Sleep Deprivation - correct answer 70% of adults report insufficient sleep at least one night a month Effects of Sleep Deprivation - correct answer 11% report insufficient sleep every night Effects of Sleep Deprivation - correct answer Irritability Cognitive impairment Memory loss Impaired moral judgement Severe yawning Hallucinations Symptoms similar to ADHD impaired immune system Risk of type 2 diabetes Decrease in heart r...

VALENCE ELECTRONS AND CHEMICAL REACTIONS QUESTION AND ANSWER 2024 GRADED A+ UPGRADE

Adaptation- - correct answersThe adjustment or changes in behavior, physiology, and structure of an organism to become more suited to an environment. Aerobic- - correct answersA process that requires oxygen. Allele -An alternative form of a gene. An example would be genes that encode eye color—some encode blue eyes (one allele), while others encode brown, green, or hazel eye colors (other alleles). - correct answers amino acids - - correct answersA small organic molecule with the stru...