Page 3 of 36 Page 3 metadata Page 3 of igcse/edexcel/4ph1-1p-que-20220610.pdf astronomy(22) comet(2) orbits(12) planet(2) star(2)
Page 4 of 36 Page 4 metadata Page 4 of igcse/edexcel/4ph1-1p-que-20220610.pdf activity(9) atom(4) decay(10) isotope(8) multiple-choice(12) nuclear(16)
Page 5 of 36 Page 5 metadata Page 5 of igcse/edexcel/4ph1-1p-que-20220610.pdf activity(9) atom(4) decay(10) isotope(8) multiple-choice(12) nuclear(16)
