Unreactive Study guides, Class notes & Summaries

describe the basic functions all life forms must accomplish -response to environmental stimuli & maintain homeostasis -uptake and processing of nutrients/energy -regulation -growth and reproduction compare and contrast eukaryotic and prokaryotic cell types Prokaryotes: -circular chromosomes, no nucleus, no organelles, 3.5 bya -DNA concentrated in nucleoid Eukaryotes: -linear chromosomes, nucleus, organelles, 1.5 bya -DNA concentrated in nucleus Both: -cellular function takes p...

Stern's Introductory Plant Biology, 14e (Bidlack) Chapter 1 What Is Plant Biology? 1) The early scientist who first demonstrated experimentally that plants do not have the same modes of nutrition as animals was A) Nehemiah Grew. B) Carl Willdenow. C) Alexander von Humboldt. D) Sir J. D. Hooker. E) J. B. van Helmont. Answer: E Topic: Diversification of Plant Study Bloom's: 1. Remember Learning Outcome: 01.04 List the aspects of botany with which each of the major botanical disciplines is...

2 © OCR 2023 1 Argon forms 1% of the air and is unreactive. Argon is used as a replacement for nitrogen when nitrogen is too reactive. (a) Argon is unreactive because it is in Group 0 of the Periodic Table. State one other property of argon. .............................................................................................................................................. [1] (b) Chlorine is very reactive. Argon is unreactive. Explain how the reactivity of these two elements a...

Human growth and development Test 1: with Complete Solutions | Verified& Updated 2024 | Already Passed Homozygous - Alleles that are the same are called Phenotypes - Aubrey and Ava are identical twins who were raised in separate homes by their divorced parents. Now, as they enter elementary school, Aubrey shows mild symptoms of phenylketonuria (PKU), but Ava's symptoms are more severe. The girls have different ________ for this disease. Down Syndrome - Which condition involves an extra ...

Human growth and development Test 1: with Complete Solutions | Verified& Updated 2024 | Already Passed Homozygous - Alleles that are the same are called Phenotypes - Aubrey and Ava are identical twins who were raised in separate homes by their divorced parents. Now, as they enter elementary school, Aubrey shows mild symptoms of phenylketonuria (PKU), but Ava's symptoms are more severe. The girls have different ________ for this disease. Down Syndrome - Which condition involves an extra ...

sp3 - ANSWER-tetrahedral 109.5 4 single bonds for oxygen and nitrogen tetrahedral bent sp2 - ANSWER-trigonal planar 120 1 double 2 single for oxygen and nitrogen trigonal planar linear sp - ANSWER-linear 180 1 triple 1 single or 2 double formula for alkane - ANSWER-CnH(2n+2) a organic molecule that contains at least one multiple bond is said to be__________ - ANSWER-unsaturated boiling point - ANSWER-the molecule with the most carbons will having the highest b...

2 © OCR 2023 Section A You should spend a maximum of 20 minutes on this section. Write your answer to each question in the box provided. 1 Which reactions can be catalysed by an enzyme? A Combustion reactions B Electrolysis of metal ores C Reactions in biological systems D Reactions of metals with acids Your answer [1] 2 Which row correctly describes the Group 0 elements? Physical state at 25°C Reactivity A gas very reactive B gas very unreactive C liquid very reactive D liquid...

Radon CertificationRadon Gas Characteristics - correct answer -not detected by human senses -naturally occurring -chemically unreactive The nucleus of an atom consists of ____________ and ______________ - correct answer protons and neutrons What characteristic of an atom determines the charge? - correct answer Electrons What characteristic of an atom determines the isotope? - correct answer Nuetrons What characteristic of an atom determines the element I.D? - correct answer Proton...

Radon Certification Questions and Answers Graded A+ Radon Gas Characteristics -not detected by human senses -naturally occurring -chemically unreactive The nucleus of an atom consists of ____________ and ______________ protons and neutrons What characteristic of an atom determines the charge? Electrons What characteristic of an atom determines the isotope? Nuetrons What characteristic of an atom determines the element I.D? Protons What determines the atomic mass number? T...

Radon Gas Characteristics - -not detected by human senses -naturally occurring -chemically unreactive The nucleus of an atom consists of ____________ and ______________ - protons and neutrons What characteristic of an atom determines the charge? - Electrons What characteristic of an atom determines the isotope? - Nuetrons What characteristic of an atom determines the element I.D? - Protons

Electrolysis – IGCSE Exam with Complete Solutions Graded A+++ Define reduction? - Correct Answer Gain of electrons Define oxidation? - Correct Answer Loss of electrons What is electrolysis? - Correct Answer • the breakdown of an ionic compound, • in a molten or in aqueous solution, • by the passage of electricity What is an electrolyte? - Correct Answer o ionic compound in o molten or dissolved solution that o conducts the electricity. Liquids that are good conductor...