negatively charged Homework electrons. quiz – higher tier Explain that most of the mass of an atom is in the nucleus. Explain that the nuclear radius is much smaller than that of the atom and with most of the mass in the nucleus. Year Term 3/4 C: 1 Atomic 1.6 Relating 4.1.1.4, Worksheet 1.6.1; Quick starter Describe the structure of 9 1 structure and the charges 4.1.1.6 notes 1.6.1; Homework atoms. Technician’s periodic table and Presentation 1.6.1 worksheet Recall the relative masses Homework masses and charges of quiz protons, neutrons and electrons. Explain why atoms are neutral. Year Term 3/4 C: 1 Atomic 1.7 4.1.1.5 Worksheets 1.7.1 and 1.7.2; Quick starter Use the definitions of 9 1 structure and the Presentation 1.7.1 Homework atomic number and mass periodic table particles worksheet number. Homework Calculate the number of quiz protons, neutrons and Slideshow electrons in atoms. Calculate the number of sub-atomic particles in isotopes and ions. Year Term 3/4 P: 1 Energy 1.3 Work 4.1.1.1 Worksheet 1.3; Practical Quick starter Understand what is 9 1 done and 4.5.2 sheet 1.3.1 and 1.3.2; Homework meant by work done. notes 1.3 worksheet Technician’s
negatively charged electrons. Explain that most of the mass of an atom is in the nucleus. Explain that the nuclear radius is much smaller than that of the atom and with most of the mass in the nucleus. Homework quiz – higher tier Year 9 Term 1 3/4 C: 1 Atomic structure and the periodic table 1.6 Relating charges and masses Describe the structure of atoms. Recall the relative masses and charges of protons, neutrons and electrons. Explain why atoms are neutral. 4.1.1.4, 4.1.1.6 Worksheet 1.6.1; Technician’s notes 1.6.1; Presentation 1.6.1 Quick starter Homework worksheet Homework quiz Year 9 Term 1 3/4 C: 1 Atomic structure and the periodic table 1.7 particles Use the definitions of atomic number and mass number. Calculate the number of protons, neutrons and electrons in atoms. Calculate the number of sub-atomic particles in isotopes and ions. 4.1.1.5 Worksheets 1.7.1 and 1.7.2; Presentation 1.7.1 Quick starter Homework worksheet Homework quiz Slideshow Year 9 Term 1 3/4 P: 1 Energy 1.3 Work done and Understand what is meant by work done. 4.1.1.1 4.5.2 Worksheet 1.3; Practical sheet 1.3.1 and 1.3.2; Technician’s notes 1.3 Quick starter Homework worksheet
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