Atomic mass Study guides, Class notes & Summaries

BIOL 1P91 Final Exam Questions And Verified Solutions What are the 3 general components that make up an atom? - ANS Protons Neutrons Electrons The sum of the atomic number and the number of neutrons is: - ANS A (the atomic number) Mass Number Which of the following is/ are a polar bond? A) O-H bond in water * B) C-O in CO2 C) N-N in N2 D) all of the above E) two of the above - ANS A) O-H bond in water A substance dissolvable in oil is said to be: - ANS Hydrophobic...

The atomic number of an element is the number of correct answers protons in the nucleus In a covalent bond, atoms correct answers share electrons In living cells, a process by which cells break polymers down into monomers with the addition of water is correct answers hydrolysis The primary building block of proteins correct answers amino acid cohesion is a property of water in which water molecules tend to stick together correct answers true Carbohydrate polymer limited to two mon...

Biology, 5e (Brooker) Chapter 2 The Chemical Basis of Life I: Atoms, Molecules, and Water 1) The atomic number of an atom is A) the number of protons in the atom. B) the number of neutrons in the atom. C) the number of protons and electrons in the atom. D) the number of protons and neutrons in the atom. E) None of these choices are correct. Answer: A Section: 02.01 Topic: Atoms Bloom's: 1. Remember Accessibility: Keyboard Navigation LO: 02.01.01 Describe the general structure of at...

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...

TEST BANK- Bushong’s Radiologic Science for Technologists, 12th Edition Chapter 01: Essential Concepts of Radiologic Science MULTIPLE CHOICE 1. Matter is measured in . a. kilograms b. joules c. electron volts d. rems ANS: A Matter is measured in kilograms. 2. Atoms and molecules are the fundamental building blocks of . a. energy b. radiation c. matter d. gravity ANS: C Atoms and molecules are the fundamental building blocks of matter. 3. Ice and steam are examples o...

ATP correct answers Adenosine triphosphate. The energy currency of the cell. Endomembrane System correct answers A network of membranes inside and around a eukaryotic cell, related either through direct physical contact or by the transfer of membranous vesicles. oxidation correct answers Loss of electrons reduction correct answers Any process in which electrons are added to an atom or ion (as by removing oxygen or adding hydrogen) exergonic correct answers A reaction that results in ...

Chapter 03 Stoichiometry: Ratios of Combination 1. Calculate the molecular mass of tetraphosphorus decaoxide, P4O10, a corrosive substance which can be used as a drying agent. A. 469.73 amu B. 283.88 amu C. 190.97 amu D. 139.88 amu E. 94.97 amu 2. Calculate the formula mass of rubidium carbonate, Rb2CO3. A. 340.43 amu B. 255.00 amu C. 230.95 amu D. 145.47 amu E. 113.48 amu 3. Calculate the formula mass of (NH4)3AsO4. A. 417.80 amu B. 193.05 amu C. 165.02 amu D. 156.96 amu E. 108.96 a...

GCSE Combined Science Edexcel Physics – Paper 1 Foundation Tier Predicted Paper 2023 attached with correct marking scheme Name …………………………………………………………………… Date ………………… 1 hour 15 minutes allowed. You may use a calculator and an Edexcel equation sheet. Grade boundaries These are VERY rough guesses! Getting a 4 on this paper does not guarantee you the same mark in the exam. • 5-5 60% • 4-4 50% • ...

0 1 This question is about the analysis of organic compounds. For each pair of compounds in Questions 01.1 and 01.2, give a reagent (or combination of reagents) that could be added separately to each compound in a single reaction to distinguish between them. State what is observed in each case. 0 1 . 1 CH3CH2CH2CHO and CH3CH2CH(OH)CH3 [3 marks] Reagent(s) Observation with CH3CH2CH2CHO Observation with CH3CH2CH(OH)CH3 0 1 . 2 Cyclohexane and cyclohexene [3 marks] Reagent(s) Observa...

TEST BANK for BIOLOGY 13TH EDITION MADER NURSINGTB.COM Biology, 13e (Mader) Chapter 2 Basic Chemistry 1) Which of the following elements would be the most reactive with other elements? A) boron, #5 B) neon, #10 C) argon, #18 D) helium, #2 Answer: A Explanation: Correct. Section: 02.01 Topic: Chemistry; Chemical Elements Bloom's: 3. Apply Learning Outcome: 02.01.04 Determine how electrons are configured around a nucleus. Accessibility: Keyboard Navigation 2) Your roommate has hea...