1) What does the periodic table show? a) Compounds b) Acids c) Alkalis d) Elements 2) Which of these is a compound? a) Hydrogen b) Oxygen c) Water d) Carbon 3) Which statement best describes a compound? a) only one type of element b) 2 or more elements c) 2 or more elements chemically joined d) 2 or more elements not chemically joined 4) How many atoms of oxygen are in water? H2O a) 1 b) 2 c) 3 d) 4 5) how many atoms of oxygen are in carbon dioxide? CO2 a) 1 b) 2 c) 3 d) 4

Group 3:Compounds

طباعة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

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