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OCR A level Chemistry Module 3 comprehensive exam 2024 Ernest rutherford Gold foil experiment- discovered nucleus (1909) Niels Bohr 1913- discovered that electrons move around the nucleus in orbits called electron shells. EM emitted/ absorbed when moving between levels- fixed frequency Mass Spectrometer steps 1. Vaporisation 2.Ionisation 3.Acceleration 4.Ion drift 5.Detection

OCR AS Level Chemistry Definitions 2024 Relative Atomic Mass The weighted mean mass of an atom of an element relative to 1/12th the mass of an atom of Carbon-12. Relative Molecular Mass The mass of a molecule of a compound relative to 1/12th the mass of an atom of Carbon-12. Water of Crystallisation The water molecules that make up part of the crystal structure of a solid.

OCR AS Level Chemistry Definitions 2024 Relative Atomic Mass The weighted mean mass of an atom of an element relative to 1/12th the mass of an atom of Carbon-12. Relative Molecular Mass The mass of a molecule of a compound relative to 1/12th the mass of an atom of Carbon-12. Water of Crystallisation The water molecules that make up part of the crystal structure of a solid.

OCR AS Level Chemistry Definitions 2024 Relative Atomic Mass The weighted mean mass of an atom of an element relative to 1/12th the mass of an atom of Carbon-12. Relative Molecular Mass The mass of a molecule of a compound relative to 1/12th the mass of an atom of Carbon-12. Water of Crystallisation The water molecules that make up part of the crystal structure of a solid.

Chemistry OCR A Module 3 test bank 2024 periodic trends in electron configurations across periods 2 and 3 each period starts with an electron in a new subshell *however across period 3 the 4s subshell fills first identify the s-block, p-block and d-block in the periodic table What is the first ionisation energy? The energy required to remove one electron from each atom in 1 mole of gaseous atoms of an element to form 1 mole of gaseous 1+ ions. What is the equation for ...

Anatomy and Physiology comprehensive exam 2024 (with solution) branches of anatomy microscopic- structures that cannot be observed to the unaided eye (cytology- study of body cells and their internal structure; histology- study of tissues) gross anatomy- structures that can be observed to the unaided eye,; macroscopic (systemic anatomy- anatomy of each body system; regional anatomy- examines all of the structures in a particular region of the body as a complete unit) embryology di...

Anatomy and Physiology Chapter 1-4 Revision exam with answers 2024 Chemical level represents the atoms and molecules that make up cells (Consists of Atomic level and molecular level) Cellular level represents the basic unit of all living things Tissue level a group of cells with similar or common function Organ level a group of tissues with similar or common function

Maternity/OB HESI Practice Part #1 2. A newborn who is 20 hours old has a respiratory rate of 66, is grunting when exhaling, and has occasional nasal flaring. The newborn's temperature is 98°F (36.6°C); he is breathing room air and is pink with acrocyanosis. The mother had membranes that were ruptured 26 hours before birth. Based on these data, the nurse should include which of the following in the management of the infant's care? 1. Continue recording vital signs, voiding, stooling, a...

HESI RN Maternity Assignment Exam 2024 At 10-weeks gestation, a high-risk multiparous client with a family history of Down syndrome is admitted for observation following a chorionic villi sampling (CVS) procedure. What assessment finding requires immediate intervention? -uterine cramping -abdominal tenderness -systolic bp <100 mmHg -intermittent nausea A. Uterine cramping A client states, "During the three months I've been pregnant, it seems like I have had to go to the bathroo...

HESI RN Maternity Assignment Exam The nurse assesses a male newborn and determines that he has the following vital signs: axillary temperature 95.1 F, heart rate 136 beats/minute, and a respiratory rate 48 breaths/minute. Based on these findings, which action should the nurse take first? -check the infant's ABGs -notify the pediatrician of the infants VS -assess the infant's blood glucose level -encourage the infant to take the breast or sugar water C. Assess the infant's blood glucose ...