Video: Muaj pes tsawg electrons nyob rau hauv nruab nrab lithium atom?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Ib qho nruab nrab lithium atom yuav muaj 3electron ua . Qhov tsis zoo electrons sib npaug rau tus nqi ntawm cov protons zoo hauv lub nucleus. Txawm hais tias nws yog tus naj npawb ntawm protons uas txiav txim siab lub caij, tus naj npawb ntawm cov electrons yeej ib txwm zoo ib yam li tus lej atomic hauv neutralato.
Tsis tas li ntawd, muaj pes tsawg tus electrons nyob hauv ib qho atom nruab nrab?
Yog ib nruab nrab atom muaj 2 protons, nws yuav tsum muaj 2 electrons . Yog ib nruab nrab atom Nws muaj 10 protons, nws yuav tsum muaj 10 electrons . Koj tau txais lub tswv yim. Yuav kom ua nruab nrab , ib atom yuav tsum muaj tib tus naj npawb ntawm electrons thiab protons.
Ib sab saum toj, pes tsawg electrons muaj nyob rau hauv lithium? 2, 1
Kuj paub, muaj pes tsawg valence electrons nyob rau hauv nruab nrab lithium atom?
1 valence electron
Puas yog lithium muaj 3 lossis 4 neutrons?
Lithium ib txwm muaj 3 protons: nws tus lej atomic yog 3 , thiab qhov no yog txiav txim los ntawm nws tus nqi ntawm protons (los yog los ntawm nws cov nucleus tus nqi yog tias koj xav tau tau ntau tshaj). Yog li ntawd, a lithium atom nrog nruab nrab chargewill muaj 3 electrons ib yam. 92.5% ntawm ib txwm tshwm sim lithium atoms yog Li7, uas muaj 4 neutron.
Pom zoo:
Muaj pes tsawg tus electrons nyob hauv nruab nrab atom ntawm AR 40?
Muaj 18 protons los ntawm argon element.Muaj 18 electrons vim nws nruab nrab, thiab 22neutrons vim 40 - 18 = 22
Muaj pes tsawg valence electrons nyob rau hauv nruab nrab atom ntawm astatin?
Xya valence electrons
Muaj pes tsawg protons nyob rau hauv nruab nrab chromium atom?
Yog li ntawd muaj 24 protons nyob rau hauv lub nucleus ntawm ib tug chromium atom. Tus naj npawb ntawm cov electrons nyob rau hauv ib lub atom yog sib npaug rau tus naj npawb ntawm protons li atoms yog hluav taws xob nruab nrab. Ib qho atom ntawm chromium muaj 24 electrons. Qhov hnyav atomic ntawm chromium yog kwv yees li ntawm 52
Muaj pes tsawg valence electrons muaj nyob rau hauv lithium?
Lithium muaj 3 electrons --- 2 hauv thawj lub plhaub, thiab 1 hauv lub plhaub thib ob (yog li ib qho hluav taws xob valence)
Muaj pes tsawg neutrons nyob rau hauv ib tug nruab nrab atom ntawm lithium?
4 Thiab cov lus nug yog, dab tsi yog neutron ntawm lithium? Lub npe Lithium Atomic Mass 6.941 atomic mass units Tus naj npawb ntawm Protons 3 Tus naj npawb ntawm Neutrons 4 Tus naj npawb ntawm Electrons 3 Tsis tas li ntawd, pes tsawg neutrons 6li muaj?