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© The Author(s) 2015. Published by Science and Education Publishing. Table 3. Influence of school nature on perception of chemistry concepts BOYS ONLY GIRLS ONLY CO-EDUCATION S/N TOPICS OR CONCEPTS N MEAN SD 1 Separation of mixture 26 1.81 0.85 40 1.50 0.55 132 1.43 0.62 2 Particulate nature of matter 1.85 0.88 1.60 0.74 1.1 3 Symbol, formulae and equation 2.23 0.59 1.78 0.75 4 Chemical combination 1.69 1.73 1.68 0.72 5 Gaseous state 0.61 1.53 0.64 1.58 0.73 6 Acids, base and salts 1.96 1.33 0.53 1.86 7 Carbon and its compounds 2.08 1. 85 1.63 0.70 8 Organic chemistry 1.65 0.69 2.25 1.80 0.78 9 Periodic table of element 1.77 0.86 2.90 0.63 1.61 10 Structure& energy l. of atom 2.31 1.25 0.71 2.36 11 Quantitative analysis 2.38 1.28 2.20 0.77 12 Rate of chemical Reaction 1.88 0.66 1.70 13 Chemical Equation 2.85 1.98 14 Non metal & their Compounds 2.88 2.27 0.79 15 Thermo-chemistry 2.50 0.65 2.48 16 Metals and their compounds 2.04 2.00 2.19 17 Applied chemistry 0.80 2.45 2.60 18 Nuclear chemistry 2.35 2.58 2.26 19 Astronomical chemistry 2.73 2.64 0.67 N= No. of respondents, SD = Standard Deviation. Jack Gladys Uzezi et al. Assessment of Conceptual Difficulties in Chemistry Syllabus of the Nigerian Science Curriculum as Perceived by High School College Students. American Journal of Educational Research, 2017, Vol. 5, No. 7, 710-716. doi:10.12691/education-5-7-3 © The Author(s) 2015. Published by Science and Education Publishing.