The chemical formula - Study guides, Class notes & Summaries

An element has 8 protons, 9 neutrons, and 8 electrons. What are its atomic number and mass? - 8 and 17 How many and what type of bonds does sulfur usually form in biology? - 2 covalent A molecule that has all non polar covalent bonds would be________. - hydrophobic What substance makes up the interior of a potato tuber? - starch What is an example of a lipid? - triglyceride One characteristic shared by sucrose, lactose, and maltose is that __________. -they are all dissacharides The over...

Station 1. You have run an experiment studying the effects of the molecular weight of a compound on the rate of diffusion in agar. Compound X has a molecular weight of 25.3 g/mol and compound Y has a molecular mass of 156.2 g/mol. On two separate agar plates, 0.1 g of each substance were transferred and allowed to diffuse for 2 hours. The results below were obtained. Use this information about this situation to answer the following three questions. 1. Question: (CO 1) What was the independent v...

Straighterline - A&P 1 Midterm Exam Questions With Complete Solutions Latest Updated 20245/2025 | 100% Verified | Graded. The study of tissues is - Correct Answer- histology Microscopic examination of a frozen tissue specimen is an application of which of the following disciplines? - Correct Answer- histology The study of the external form of the body and its relationship to deeper structures is - Correct Answer- surface anatomy The study of the structural features and functions of the cell...

Package Title: Hein Test Bank Course Title: Hein 14e Chapter Number: 3 Question type: Multiple Choice 1) All matter is composed of elements. Approximately how many elements are there? a) 4 b) 10 c) 68 d) 100 Answer: D Difficulty: easy Learning Objective 1: Define an element and write the chemical symbol for an element when given its name. Section Reference 1: Section 3.1 2) The smallest particle of an element that can exist is called a(n) ___. a) atom b) ferrul...

Phosphorus has an atomic number of 15. This tells us that... - Answer-there must be 15 protons True or False: covalent bonds are stronger than ionic and hydrogen bonds because atoms that are joined with covalent bonds share electrons - Answer-True An e- in a hydrogen atom exists in the first valence shell. The valence e- of Aluminum exist in the 3rd shell. Which valence shell e- have higher potential energy and why? - Answer-the valence e- of aluminum, bc higher e- shells have higher energy...

WGU D204 Exam Questions & Answers Latest Updated 2024/2025 | Scored A+. What questions will data analytics consider improving 10% market share value to open new store in a different location? a. Get list of geographic areas b. Reduce staff pay by 10% c. Check compatible market value d. None of the above - ANSWER-C Check compatible market value A data set has K variables, and the classifying method has the following steps: compare levels on nearby data, assign a new case to a category of n...

  lOMoARcPSD|5967629 2024/2025 RASMUSSEN UNIVERSITY MDC IV (NUR2755) MDC4 FINAL EXAM 100 QUESTIONS AND ANSWERS VERIFIED 100%;(GUARANTEED SUCCESS ) MDC4 Final Exam 1. Which of the following describes the process of initial surveillance of victims injury severity when administering first aid in an emergency situation? A. The Good Samaritan law B. an emergency interview C. Triage D. taking vital signs 2. The nurse reminds a group of certified nursing assistants (CNA) that for ...

Which of these is the best explanation of how a smooth round stone became smooth? - It was in a stream for a long When a lobster grows a claw to replace one that was lost, the process is called - regeneration. Any astronomical body that revolves around a larger body is called - a satellite. In chemistry, to be classified as an organic substance, a substance must contain - Carbon atoms. Which element does NOT contain any neutrons? - hydrogen The chemical formula of a compound describes the...

Chapter 01: Basic Physics for the Respiratory Therapist MULTIPLE CHOICE 1. Power is a measure of which of the following? a. Mechanical energy b. Gravitational potential energy c. The rate at which work is being performed d. The rate at which atoms and molecules move ANS: C Power is a measure of the rate at which work is being performed. The formula P = W/J, where W = watts and 1 watt is equal to 1 J/s, expresses this. Joules are the international standard for expressing energy and work...

WGU D204 Exam Questions With Correct Answers Latest Updated 2024/2025 Rated A+. A data set has K variables, and the classifying method has the following steps: compare levels on nearby data, assign a new case to a category of nearby beta, locate the case in a k-dimensional space, in which order should the steps be applied a. Assign compare locate b. Compare assign locate c. Locate compare assign d. Locate assign compare - ANSWER-c. Locate compare assign In which phase of the data analytic...