Gcse ions - Study guides, Class notes & Summaries

GCSE COMBINED SCIENCE: TRILOGY 8464/P/1F Physics Paper 1F Version: 1.0 Final *JUN238464P1F01* IB/M/Jun23/E7 8464/P/1F For Examiner’s Use Question Mark 1 2 3 4 5 6 TOTAL Thursday 25 May 2023 Morning Time allowed: 1 hour 15 minutes Materials For this paper you must have: • a ruler • a scientific calculator • the Physics Equations Sheet (enclosed). Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the box...

7. AQA GCSE Biology Ecology Ecosystem ️The interaction of a community of living organisms with the non-living parts of their environment What is a community made up of? ️The populations of different species or organisms that are all interdependent in a habitat Habitat ️The environment in which an organism lives Population ️The total number of organisms of the same species living in the same geographical area Interdependence ️The way in which each species within a communit...

AQA GCSE Combined Science Trilogy- Physics with Q & A ρ = m ÷ v ANSWER density equation different states of matter, differences in density ANSWER particle model explains substances change state ANSWER mass is conserved when physical ANSWER a change of state is no new substance is produced ANSWER during a change of state reversed ANSWER a substance recovers its original properties if the change is electrons=protons ANSWER atoms have no overall charge because same number ...

AQA GCSE Chemistry - Paper 1 Questions And Answers Rated A+. What is the charge of a proton? - correct answer. +1 What is the charge of a neutron? - correct answer. 0 What is the charge of an electron? - correct answer. -1 What is the relative mass of a proton? - correct answer. 1 What is the relative mass of a neutron? - correct answer. 1 What is the relative mass of an electron? - correct answer. Very small How many types of atoms do elements contai...

AQA GCSE Chemistry Exam Questions With 100% Correct Answers What is a compound? - answerwhen two or more elements react together What is an atoms? - answerthe smallest part of an element that can still be recognised as that element What is a molecule? - answerwhen atoms join together by chemical bonds What is an ion? - answera charged particle produced by the loss or gain of electrons How do the atoms of elements gain stable electronic structures? - answerjoining together by sharing elec...

AQA GCSE Biology - Paper 1 Questions And Answers Graded A+. What does a nucleus do? - correct answer. It contains genetic material and controls the activities of the cell What does cytoplasm do? - correct answer. It's a gel-like substance where most of the chemical reactions happen. It contains enzymes that control these chemical reactions What does a cell membrane do? - correct answer. It holds the cell together and controls what goes in and out What do mitochondria do...

GCSE EDEXCEL TRIPLE SCIENCE CHEMISTRY PAPER 2 2024 QUESTION PAPER WITH QUESTIONS AND CORRCT ANSWERS GRADED A+ What is in the nucleus? - CORRECT ANSWER-Protons and neutrons What is relative atomic mass? - CORRECT ANSWER-Relative atomic mass is an average mass taking into account the different masses and abundances of all the isotopes that make up the element How do you calculate the relative atomic mass? - CORRECT ANSWER-Sum of (isotope abundance x isotope mass number) / sum of abundan...

GCSE EDEXCEL TRIPLE SCIENCE CHEMISTRY PAPER 2 2024 QUESTION PAPER WITH QUESTIONS AND CORRCT ANSWERS GRADED A+ What is in the nucleus? - CORRECT ANSWER-Protons and neutrons What is relative atomic mass? - CORRECT ANSWER-Relative atomic mass is an average mass taking into account the different masses and abundances of all the isotopes that make up the element How do you calculate the relative atomic mass? - CORRECT ANSWER-Sum of (isotope abundance x isotope mass number) / sum of...

1. How long is Paper 1, and what does it assess? - Ans .Paper 1 of the AQA GCSE Higher Chemistry (Single Science) course lasts for 1 hour and 45 minutes, and assesses content from Atomic Structure & The Periodic Table; Bonding, Structure & The Properties of Matter; Quantitative Chemistry, Chemical Changes; and Energy Changes. 2. What is the radius of an atom? - Ans .The radius of an atom is 0.1 nanometers (1x10^-10m). 3. What are the masses and charges of the three subatomic particles th...

7. AQA GCSE Biology: Ecology Exam Questions and Answers 100% Verified and Updated Ecosystem - Answer️️ -The interaction of a community of living organisms with the non-living parts of their environment What is a community made up of? - Answer️️ -The populations of different species or organisms that are all interdependent in a habitat Habitat - Answer️️ -The environment in which an organism lives Population - Answer️️ -The total number of organisms of the same species livi...