Giant covalent bonds Study guides, Class notes & Summaries

IGCSE Edexcel Chemistry Exam Questions With 100% Correct Answers Solid - ANSWER -Particles are touching - Particles are not moving -Attractions hold them together - Close together Liquid - ANSWER - Particles are in contact but they are free to move - Irregular - Slide past one another Gas - ANSWER -Far apart - Collisions occur - Irregular - Moves freely Solid to Liquid - ANSWER Melting Li...

What is the charge of a proton? - ANSWERS +1 What is the charge of a neutron? - ANSWERS 0 What is the charge of an electron? - ANSWERS -1 What is the mass of a proton? - ANSWERS 1 What is the mass of a neutron? - ANSWERS 1 What is the mass of an electron? - ANSWERS 1/1800 What is an isotope? - ANSWERS Isotopes of an element are atoms with the same number of protons but different numbers of neutrons. Why do isotopes of an element all have the same chemical properties? - ANSWERS This is...

AQA GCSE chemistry Bonding Exam Questions And Answers What elements bond in ionic bonding? - ANSWER Non metals and metals What elements bond in covalent bonding? - ANSWER Non metals What elements bond in metallic bonding? - ANSWER Metals What happens during ionic bonding? - ANSWER Electrons move from the outer shell of the metal to the outer shell of the non metal. What happens to the metal in ionic bonding? - ANSWER It loses electrons and becomes positively charged ...

Hydrogen bond - correct answer Weak bond interaction Between two molecules amino group - correct answer Consists of hydorgen and nitrogen atoms (-NH3+) macromolecules - correct answer A giant molecule in a living organism formed by the joining of smaller molecules: a protein, carbohydrate, or nucleic acid. polymer - correct answer a long molecule consisting of many similar or identical building blocks linked by covalent bonds Amino acid - correct answer Amino group + Carboxylic acid + R gr...

WGU C785 unit 2 EXAM STUDY REVIEW DETAILED FOR SUCCESS Hydrogen bond (correct answers)Weak bond interaction Between two molecules amino group (correct answers)Consists of hydorgen and nitrogen atoms (-NH3+) Macromolecules (correct answers)A giant molecule in a living organism formed by the joining of smaller molecules: a protein, carbohydrate, or nucleic acid. Polymer (correct answers)a long molecule consisting of many similar or identical building blocks linked by covalent bonds Ami...

macromolecules - a giant molecule formed by the joining of smaller molecules, usually by a dehydration reaction. Polysaccharides, proteins, and nucleic acids are macromolecules functional groups - A specific configuration of atoms commonly attached to the carbon skeletons of organic molecules and involved in chemical reactions adenosine triphosphate (ATP) - An adenine-containing nucleoside triphosphate that releases free energy when its phosphate bonds are hydrolyzed. This energy is used...

AQA GCSE Chemistry - Paper 1 What is the charge of a proton? Ans- +1 What is the charge of a neutron? Ans- 0 What is the charge of an electron? Ans- -1 What is the relative mass of a proton? Ans- 1 What is the relative mass of a neutron? Ans- 1 What is the relative mass of an electron? Ans- Very small How many types of atoms do elements contain? Ans- Only one type What are compounds? Ans- Substances containing two or more different elements that are chemically bonded together What are...

MARK SCHEME – A-LEVEL CHEMISTRY – 7405/1 – JUNE 2021 9 3 3.14 Organic reaction mechanisms Curly arrows should originate either from a lone pair of electrons or from a bond. The following representations should not gain credit and will be penalised each time within a clip. H3C Br _ : H C . Br H3C . .Br .. _ OH OH For example, the following would score zero marks H H3C C Br HO H When the curly arrow is showing the formation of a bond to an atom, the arrow can go directly to...

HiSET prep Science A-C Latest 2023 Graded A+ Acceleration The change in velocity resulting from a net force being applied to an object. Adaption The response to environmental change by a species, the physical change in a species over time in ways that make survival more likely in a given environment. Aerobic Containing oxygen; referring to an organism, environment, or cellular process that requires oxygen. Allele Individual units of genetic information the define the inheritance of traits. A...

what is water of crystallisation? - correct answer water molecules that make up part of the crystal structure of a solid define relative isotopic mass - correct answer the ass of an atom of an isotope of an element relative to one twelfth the mass of an atom of C-12 why is relative atomic mass written as a decimal? - correct answer it is a weighted average mass define molecular fo...