Nguyên tử - Bài tập dễ

Home Lớp 7 Khoa học tự nhiên 7 - Sách kết nối tri thức Bài 2: Nguyên tửBài tập cơ bản

{"common":{"save":0,"post_id":"6032","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8923","post_id":"6032","mon_id":"1158750","chapter_id":"1158755","question":"<p>Hãy vi\u1ebft \u0111i\u1ec7n tích c\u1ee7a các h\u1ea1t c\u1ea5u t\u1ea1o nên nguyên t\u1eed vào ô tr\u1ed1ng trong b\u1ea3ng d\u01b0\u1edbi \u0111ây:<\/p><p><span class=\"svgedit\"><svg height=\"180\" width=\"180\"> <g><title><\/title><rect fill=\"#fff\" height=\"182\" id=\"canvas_background\" width=\"182\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_14\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><g id=\"svg_13\"> <ellipse cx=\"90.0125\" cy=\"85.45\" fill=\"none\" id=\"svg_6\" opacity=\"0.5\" rx=\"81\" ry=\"81\" stroke=\"#000\" stroke-dasharray=\"2,2\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"91.0125\" cy=\"91.45\" fill=\"#fff\" id=\"svg_1\" rx=\"12\" ry=\"12\" stroke=\"#000\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"91.0125\" cy=\"87.45\" fill=\"none\" id=\"svg_2\" rx=\"19\" ry=\"81\" stroke=\"#000\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"91.0125\" cy=\"91.45\" fill=\"none\" id=\"svg_3\" rx=\"19\" ry=\"81\" stroke=\"#000\" stroke-width=\"1.5\" transform=\"rotate(60 91.01250457763673,91.4500045776367) \"><\/ellipse> <ellipse cx=\"91.0125\" cy=\"90.45\" fill=\"none\" id=\"svg_4\" rx=\"19\" ry=\"81\" stroke=\"#000\" stroke-width=\"1.5\" transform=\"rotate(-80 91.01250457763673,90.45000457763673) \"><\/ellipse> <ellipse cx=\"88.0125\" cy=\"85.45\" fill=\"none\" id=\"svg_5\" rx=\"19\" ry=\"81\" stroke=\"#000\" stroke-width=\"1.5\" transform=\"rotate(-30 88.01250457763665,85.45000457763669) \"><\/ellipse> <ellipse cx=\"91.0125\" cy=\"91.95\" fill=\"#ff0000\" id=\"svg_7\" rx=\"12\" ry=\"11.5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"102.5125\" cy=\"25.45\" fill=\"#0000ff\" id=\"svg_8\" rx=\"5.5\" ry=\"6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"49.5125\" cy=\"42.45\" fill=\"#0000ff\" id=\"svg_9\" rx=\"5.5\" ry=\"6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"82.5125\" cy=\"159.45\" fill=\"#0000ff\" id=\"svg_10\" rx=\"5.5\" ry=\"6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"60.5125\" cy=\"126.45\" fill=\"#0000ff\" id=\"svg_11\" rx=\"5.5\" ry=\"6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"123.5125\" cy=\"113.45\" fill=\"#0000ff\" id=\"svg_12\" rx=\"5.5\" ry=\"6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <\/g> <\/g> <\/svg><\/span><\/p><table border=\"1\" cellpadding=\"1\" cellspacing=\"1\" style=\"width: 500px;\"><tbody> <tr> <td><strong>H\u1ea1t<\/strong><\/td> <td><b>\u0110i\u1ec7n tích<\/b><\/td> <\/tr> <tr> <td>Proton<\/td> <td><input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/><\/td> <\/tr> <tr> <td>Neutron<\/td> <td>0<\/td> <\/tr> <tr> <td>Electron<\/td> <td><input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/><\/td> <\/tr><\/tbody><\/table>","options":"","correct":["[\"+1\",\"-1\"]"],"level":"1","hint":"<p>M\u1ed7i h\u1ea1t proton mang m\u1ed9t \u0111\u01a1n v\u1ecb \u0111i\u1ec7n tích d\u01b0\u01a1ng, quy \u01b0\u1edbc là +1.<\/p><p>M\u1ed7i h\u1ea1t electron mang m\u1ed9t \u0111\u01a1n v\u1ecb \u0111i\u1ec7n tích âm, quy \u01b0\u1edbc là –1.<\/p>","answer":"<p>M\u1ed7i h\u1ea1t proton mang m\u1ed9t \u0111\u01a1n v\u1ecb \u0111i\u1ec7n tích d\u01b0\u01a1ng, quy \u01b0\u1edbc là <span style=\"color:#16a085;\"><strong>+1<\/strong><\/span>.<\/p><p>M\u1ed7i h\u1ea1t electron mang m\u1ed9t \u0111\u01a1n v\u1ecb \u0111i\u1ec7n tích âm, quy \u01b0\u1edbc là <span style=\"color:#16a085;\"><strong>–1<\/strong><\/span>.<\/p><p>Do \u0111ó các s\u1ed1 c\u1ea7n \u0111i\u1ec1n vào ch\u1ed7 tr\u1ed1ng l\u1ea7n l\u01b0\u1ee3t là <span style=\"color:#16a085;\"><strong>+1<\/strong><\/span> ;  <span style=\"color:#16a085;\"><strong>–1<\/strong><\/span><\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"0","date":"2022-07-08 14:24:48"},{"id":"8924","post_id":"6032","mon_id":"1158750","chapter_id":"1158755","question":"<p>V\u1ecb trí s\u1ed1 1 trong hình là <input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/><\/p><p><span class=\"svgedit\"><svg height=\"180\" width=\"260\"> <g><title><\/title><rect fill=\"#fff\" height=\"182\" id=\"canvas_background\" width=\"262\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_14\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><g id=\"svg_13\"> <ellipse cx=\"89.0125\" cy=\"86.45\" fill=\"none\" id=\"svg_6\" opacity=\"0.5\" rx=\"81\" ry=\"81\" stroke=\"#000\" stroke-dasharray=\"2,2\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"91.0125\" cy=\"91.45\" fill=\"#fff\" id=\"svg_1\" rx=\"12\" ry=\"12\" stroke=\"#000\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"91.0125\" cy=\"87.45\" fill=\"none\" id=\"svg_2\" rx=\"19\" ry=\"81\" stroke=\"#000\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"91.0125\" cy=\"91.45\" fill=\"none\" id=\"svg_3\" rx=\"19\" ry=\"81\" stroke=\"#000\" stroke-width=\"1.5\" transform=\"rotate(60 91.01250457763673,91.4500045776367) \"><\/ellipse> <ellipse cx=\"91.0125\" cy=\"90.45\" fill=\"none\" id=\"svg_4\" rx=\"19\" ry=\"81\" stroke=\"#000\" stroke-width=\"1.5\" transform=\"rotate(-80 91.01250457763673,90.45000457763673) \"><\/ellipse> <ellipse cx=\"88.0125\" cy=\"85.45\" fill=\"none\" id=\"svg_5\" rx=\"19\" ry=\"81\" stroke=\"#000\" stroke-width=\"1.5\" transform=\"rotate(-30 88.01250457763665,85.45000457763669) \"><\/ellipse> <ellipse cx=\"91.0125\" cy=\"91.95\" fill=\"#ff0000\" id=\"svg_7\" rx=\"12\" ry=\"11.5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"102.5125\" cy=\"25.45\" fill=\"#0000ff\" id=\"svg_8\" rx=\"5.5\" ry=\"6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"49.5125\" cy=\"42.45\" fill=\"#0000ff\" id=\"svg_9\" rx=\"5.5\" ry=\"6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"82.5125\" cy=\"159.45\" fill=\"#0000ff\" id=\"svg_10\" rx=\"5.5\" ry=\"6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"60.5125\" cy=\"126.45\" fill=\"#0000ff\" id=\"svg_11\" rx=\"5.5\" ry=\"6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"123.5125\" cy=\"113.45\" fill=\"#0000ff\" id=\"svg_12\" rx=\"5.5\" ry=\"6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <\/g> <line fill=\"none\" id=\"svg_15\" stroke=\"#00bf00\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"90.0125\" x2=\"214.0125\" y1=\"90.45\" y2=\"66.45\"><\/line> <rect fill=\"#fff\" height=\"35\" id=\"svg_16\" stroke=\"#000\" stroke-width=\"1.5\" width=\"39.00001\" x=\"215.0125\" y=\"44.45\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_17\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"227.0125\" xml:space=\"preserve\" y=\"71.45\">1<\/text> <line fill=\"none\" id=\"svg_18\" stroke=\"#00bf00\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"123.01251\" x2=\"213.0125\" y1=\"114.44999\" y2=\"126.45001\"><\/line> <rect fill=\"#fff\" height=\"35\" id=\"svg_19\" stroke=\"#000\" stroke-width=\"1.5\" width=\"39.00001\" x=\"215.0125\" y=\"104.45\"><\/rect> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_21\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"229.0125\" xml:space=\"preserve\" y=\"130.45\">2<\/text> <\/g> <\/svg><\/span><\/p>","options":["<strong>A. <\/strong>Electron","<strong>B.<\/strong> H\u1ea1t nhân","<strong>C. <\/strong>Nguyên t\u1eed","<strong>D. <\/strong>Nguyên t\u1ed1"],"correct":"2","level":"1","hint":"","answer":"<p>V\u1ecb trí s\u1ed1 1 trong hình là <span style=\"color:#16a085;\"> <strong>B.<\/strong> H\u1ea1t nhân<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2022-07-08 14:27:53","option_type":"txt","len":2},{"id":"8925","post_id":"6032","mon_id":"1158750","chapter_id":"1158755","question":"<p>V\u1ecb trí s\u1ed1 2 trong hình là <input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/><\/p><p><span class=\"svgedit\"><svg height=\"180\" width=\"260\"> <g><title><\/title><rect fill=\"#fff\" height=\"182\" id=\"canvas_background\" width=\"262\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_14\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><g id=\"svg_13\"> <ellipse cx=\"89.0125\" cy=\"86.45\" fill=\"none\" id=\"svg_6\" opacity=\"0.5\" rx=\"81\" ry=\"81\" stroke=\"#000\" stroke-dasharray=\"2,2\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"91.0125\" cy=\"91.45\" fill=\"#fff\" id=\"svg_1\" rx=\"12\" ry=\"12\" stroke=\"#000\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"91.0125\" cy=\"87.45\" fill=\"none\" id=\"svg_2\" rx=\"19\" ry=\"81\" stroke=\"#000\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"91.0125\" cy=\"91.45\" fill=\"none\" id=\"svg_3\" rx=\"19\" ry=\"81\" stroke=\"#000\" stroke-width=\"1.5\" transform=\"rotate(60 91.01250457763673,91.4500045776367) \"><\/ellipse> <ellipse cx=\"91.0125\" cy=\"90.45\" fill=\"none\" id=\"svg_4\" rx=\"19\" ry=\"81\" stroke=\"#000\" stroke-width=\"1.5\" transform=\"rotate(-80 91.01250457763673,90.45000457763673) \"><\/ellipse> <ellipse cx=\"88.0125\" cy=\"85.45\" fill=\"none\" id=\"svg_5\" rx=\"19\" ry=\"81\" stroke=\"#000\" stroke-width=\"1.5\" transform=\"rotate(-30 88.01250457763665,85.45000457763669) \"><\/ellipse> <ellipse cx=\"91.0125\" cy=\"91.95\" fill=\"#ff0000\" id=\"svg_7\" rx=\"12\" ry=\"11.5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"102.5125\" cy=\"25.45\" fill=\"#0000ff\" id=\"svg_8\" rx=\"5.5\" ry=\"6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"49.5125\" cy=\"42.45\" fill=\"#0000ff\" id=\"svg_9\" rx=\"5.5\" ry=\"6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"82.5125\" cy=\"159.45\" fill=\"#0000ff\" id=\"svg_10\" rx=\"5.5\" ry=\"6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"60.5125\" cy=\"126.45\" fill=\"#0000ff\" id=\"svg_11\" rx=\"5.5\" ry=\"6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"123.5125\" cy=\"113.45\" fill=\"#0000ff\" id=\"svg_12\" rx=\"5.5\" ry=\"6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <\/g> <line fill=\"none\" id=\"svg_15\" stroke=\"#00bf00\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"90.0125\" x2=\"214.0125\" y1=\"90.45\" y2=\"66.45\"><\/line> <rect fill=\"#fff\" height=\"35\" id=\"svg_16\" stroke=\"#000\" stroke-width=\"1.5\" width=\"39.00001\" x=\"215.0125\" y=\"44.45\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_17\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"227.0125\" xml:space=\"preserve\" y=\"71.45\">1<\/text> <line fill=\"none\" id=\"svg_18\" stroke=\"#00bf00\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"123.01251\" x2=\"213.0125\" y1=\"114.44999\" y2=\"126.45001\"><\/line> <rect fill=\"#fff\" height=\"35\" id=\"svg_19\" stroke=\"#000\" stroke-width=\"1.5\" width=\"39.00001\" x=\"215.0125\" y=\"104.45\"><\/rect> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_21\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"229.0125\" xml:space=\"preserve\" y=\"130.45\">2<\/text> <\/g> <\/svg><\/span><\/p>","options":["<strong>A. <\/strong>Nguyên t\u1eed","<strong>B.<\/strong> H\u1ea1t nhân","<strong>C. <\/strong>Electron","<strong>D. <\/strong>Nguyên t\u1ed1"],"correct":"3","level":"1","hint":"","answer":"<p>V\u1ecb trí s\u1ed1 2 trong hình là  <span style=\"color:#16a085;\"><strong>C. <\/strong>Electron<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2022-07-08 14:28:30","option_type":"txt","len":2}]}