Discovered of the atom’s nucleus - What did Rutherford conclude from the gold experiment?, Positively - What is the charge of the nucleus of an atom?, Condensation - The process of changing gas to liquid is called ?, heterogeneous mixture - Which one of the following is often easily separated into its components by simple techniques such as filtering or detecting?, Thomson’s - Who discovered the electron?, negative , Discovered by Millikan - What is the charge of an electron and who discovered it?, Atoms - All elements are made up of particles called what ?, Because these elements atoms have different number of neutrons. - Isotopes are elements whose atoms differ in mass. Why ?, Ions - In a chemical change, atoms can lose or gain electrons and become charged particles , called ?,

CHEM

طباعة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

استعادة الحفظ التلقائي: ؟