{"type":"multi-choice","id":"75484","dataJson":{"key":2,"prompt":"The chemical symbol for gold is Gd.","options":[{"key":"0.30161451122869043","label":"True","value":"True"},{"key":"0.33384842208376875","label":"False","value":"False"}],"limitChoices":{"max":1,"min":1},"validResponse":["False"]}}

{"type":"image-bucket","id":"75485","dataJson":{"prompt":"Which of the following show chemical symbols, and which show chemical formula? ","buckets":[{"key":"0.7799020130903062","name":"Symbol","old_key":"0"},{"key":"0.5456245878839199","name":"Formula","old_key":"1"}],"options":[{"key":"0.06597651884214828","label":"Ar","value":"Ar","bucket":"0.7799020130903062","fileboyId":"126f8bae-d4e5-4b21-ae9a-77c7e054e547"},{"key":"0.40112975814297025","label":"Cl","value":"Cl","bucket":"0.7799020130903062","fileboyId":"35807ed8-13de-4fca-a58f-42ffde5623dd"},{"key":"0.3584046141130218","label":"Na","value":"Na","bucket":"0.7799020130903062","fileboyId":"b75c50c4-2c81-41ba-8958-b0fc139544c2"},{"key":"0.592130570983663","label":"Hg","value":"Hg","bucket":"0.7799020130903062","fileboyId":"e21605dc-fc33-4d8c-9ce5-697b8aec4ff7"},{"key":"0.09653166349567588","label":"Nacl","value":"Nacl","bucket":"0.5456245878839199","fileboyId":"57394217-4f4a-4f85-9690-540985d5ddba"},{"key":"0.5520023118365306","label":"H2O","value":"H2O","bucket":"0.5456245878839199","fileboyId":"39fd31de-502b-4996-8de7-3461b7bdfc2f"}]}}

{"type":"multi-choice","id":"75486","dataJson":{"prompt":"Which of these chemical formulae contain 3 different atomsl? Choose 1 answer","options":[{"key":"0.9889177015070337","label":"H2O","value":"H2O"},{"key":"0.4672686667424407","label":"NaOH","value":"NaOH"},{"key":"0.3450515737584007","label":"CH4","value":"CH4"},{"key":"0.35136929059654287","label":"NH3","value":"NH3"}],"limitChoices":{"max":1,"min":1},"validResponse":["NaOH"]}}

{"type":"multi-choice","id":"75487","dataJson":{"prompt":"Which of these best describes what a chemical formula tells us.","options":[{"key":"0.07297103307850017","label":"How large the substance becomes when heated.","value":"How large the substance becomes when heated."},{"key":"0.22044247146749474","label":"The elements that a substance is made of and how many of each there are","value":"The elements that a substance is made of and how many of each there are"},{"key":"0.7360702804380879","label":"Whether a substance is a solid, liquid or gas.","value":"Whether a substance is a solid, liquid or gas."},{"key":"0.7669900177195347","label":"How long the substance has been discovered for.","value":"How long the substance has been discovered for."}],"limitChoices":{"max":1,"min":1},"validResponse":["The elements that a substance is made of and how many of each there are"]}}

{"type":"multi-choice","id":"75488","dataJson":{"key":14,"prompt":"Which of these terms mean the same as 'table salt'?(choose all that apply)","options":[{"key":"0.5771985645946489","label":"NaCl","value":"NaCl"},{"key":"0.5204196430746686","label":"Sodium Hydroxide","value":"Sodium Hydroxide"},{"key":"0.6771055013441212","label":"NaTs","value":"NaTs"},{"key":"0.6542451693137569","label":"Sodium Chloride","value":"Sodium Chloride"}],"limitChoices":{"max":2,"min":2},"validResponse":["NaCl","Sodium Chloride"]}}

Answer incorrect

Look at the slide below to work out the answer.