Atom. Simbol chimic
Quiz by Pamfilia Dumitrascu
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10 questions
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- Q1Electronuleste incarcat cu sarcina pozitivaeste neutru din punct de vedere electriceste incarcat cu sarcina negativa20s
- Q2Numarul atomic indicanumarul protonilornumarul neutronilornumarul nucleonilor20s
- Q3Numarul de masa indicanumarul neutronilornumarul protonilornumarul nucleonilornumarul electronilor20s
- Q4Carbonul are simbolul chimicCaCrCCb20s
- Q5Izotopii aunumar diferit de electroniacelasi numar de neutroninumar diferit de protoninumar diferit de neutroni20s
- Q6Au masa neglijabilaprotoniielectroniiquarciineutronii20s
- Q7Atomul de Cl (Z=17, A=35) contine17 electroni35 electroni35 protoni17 neutroni20s
- Q8Atomul de fluor ( A=19, Z=9) are urmatoarea configuratie electronica:2,8,8,12,92,8,92,720s
- Q95 mol de atomi de Mg (A=24) cantaresc1200 g120 g120 kg100 g20s
- Q10In 4 g hidrogen se gaseste un numar de atomi egal cu12,044 x 10exp2324,088 x 10exp236,022 x 10exp2324,088 x 10exp2220s