7 szkoły podstawowej

8 szkoły podstawowej

Chemia w zadaniach i przykładach. Zbiór zadań dla klas 7 i 8 szkoły podstawowej.

Chemia

Chemia 7

Chemia 7 i 8

Chemia Nowej Ery 7

Ciekawa chemia 7

Świat chemii 7

Nazwa &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Wzór sumaryczny :&nbsp; Tlenek sodu &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; Na2​O &nbsp; Tlenek żelaza (III)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Fe2​O3​ &nbsp; Tlenek magnezu&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; MgO &nbsp; Tlenek miedzi (I)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Cu2​O &nbsp; Tlenek arsenu ( V) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; As2​O5​ &nbsp; Tlenek baru&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; BaO &nbsp; Tlenek chloru (III)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Cl2​O3​ &nbsp; Tlenek glinu&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Al2​O3​ &nbsp; Tlenek ołowiu (IV)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; PbO2​ &nbsp; Tlenek selenu (VI)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; SeO3​ &nbsp; Tlenek manganu (VII)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Mn2​O7​

Cr2O3 - tlenek chromu(III)
CrO3 - tlenek chromu(VI)

Tlenek &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; wartościowość pierwiastków&nbsp; SnO2​ &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Sn(IV) &nbsp;i O(II)&nbsp; N2​O &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; N(I) i O(II)&nbsp;

szalki :
a)  - olej

4Na+ &nbsp; O2​→2Na2​O &nbsp; (tlenek sodu)&nbsp; 4Cu+O2​→2Cu2​O &nbsp;(tlenek miedzi(I))&nbsp; 4Al+3O2​→2Al2​O3​ &nbsp;(tlenek glinu)&nbsp; C+O2​→CO2​ &nbsp; (tlenek węgla(IV))&nbsp; 2Ca+O2​→2CaO &nbsp; (tlenek wapnia)&nbsp; Pb+O2​→PbO2​ &nbsp;(tlenek ołowiu(IV))&nbsp; 2Cu+O2​→2CuO &nbsp;(tlenek miedzi(II))&nbsp;

Nazwa &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Wzór sumaryczny :&nbsp; Tlenek sodu &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; <object class="math small" data="https://odrabiamy.pl/api/v3/math_formulas/6bd8074e2b1afb33d71aba33a199bac6506ac108490d250d5a060297e990be54_small.svg" type="image/svg+xml"></object><object class="math big" data="https://odrabiamy.pl/api/v3/math_formulas/6bd8074e2b1afb33d71aba33a199bac6506ac108490d250d5a060297e990be54_big.svg" type="image/svg+xml"></object> &nbsp; Tlenek żelaza (III)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <object class="math small" data="https://odrabiamy.pl/api/v3/math_formulas/9b0ae7d2910a6d314a9cc9964c826027828d0e9973ee2e4f67fa9a5ff9037647_small.svg" type="image/svg+xml"></object><object class="math big" data="https://odrabiamy.pl/api/v3/math_formulas/9b0ae7d2910a6d314a9cc9964c826027828d0e9973ee2e4f67fa9a5ff9037647_big.svg" type="image/svg+xml"></object> &nbsp; Tlenek magnezu&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <object class="math small" data="https://odrabiamy.pl/api/v3/math_formulas/010eaf786da6a6560a505e94c2e3b6d48d6c69a2f376ae2086e3373d5114974a_small.svg" type="image/svg+xml"></object><object class="math big" data="https://odrabiamy.pl/api/v3/math_formulas/010eaf786da6a6560a505e94c2e3b6d48d6c69a2f376ae2086e3373d5114974a_big.svg" type="image/svg+xml"></object> &nbsp; Tlenek miedzi (I)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <object class="math small" data="https://odrabiamy.pl/api/v3/math_formulas/8c18a3c4347894d5df6d4ff08fb2698be31720bc5a075f94d4f84d793d123e2f_small.svg" type="image/svg+xml"></object><object class="math big" data="https://odrabiamy.pl/api/v3/math_formulas/8c18a3c4347894d5df6d4ff08fb2698be31720bc5a075f94d4f84d793d123e2f_big.svg" type="image/svg+xml"></object> &nbsp; Tlenek arsenu ( V) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; <object class="math small" data="https://odrabiamy.pl/api/v3/math_formulas/7180ebe8d0e5504967f452642326739903812458b9027e3b4bdbf223d891205c_small.svg" type="image/svg+xml"></object><object class="math big" data="https://odrabiamy.pl/api/v3/math_formulas/7180ebe8d0e5504967f452642326739903812458b9027e3b4bdbf223d891205c_big.svg" type="image/svg+xml"></object> &nbsp; Tlenek baru&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <object class="math small" data="https://odrabiamy.pl/api/v3/math_formulas/f0ce7e1820680d1c8de0df732c9c69c01a453f1fc4fa332706bed09ad3b64b2e_small.svg" type="image/svg+xml"></object><object class="math big" data="https://odrabiamy.pl/api/v3/math_formulas/f0ce7e1820680d1c8de0df732c9c69c01a453f1fc4fa332706bed09ad3b64b2e_big.svg" type="image/svg+xml"></object> &nbsp; Tlenek chloru (III)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <object class="math small" data="https://odrabiamy.pl/api/v3/math_formulas/bf48664455834cae93676cd7e5a1e252dcdd29e1b92b445eae347358abf8cb8a_small.svg" type="image/svg+xml"></object><object class="math big" data="https://odrabiamy.pl/api/v3/math_formulas/bf48664455834cae93676cd7e5a1e252dcdd29e1b92b445eae347358abf8cb8a_big.svg" type="image/svg+xml"></object> &nbsp; Tlenek glinu&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <object class="math small" data="https://odrabiamy.pl/api/v3/math_formulas/1c636bba8b8d9d4109e001d71f10d6bf403431efe74277146067be3473bc2eb4_small.svg" type="image/svg+xml"></object><object class="math big" data="https://odrabiamy.pl/api/v3/math_formulas/1c636bba8b8d9d4109e001d71f10d6bf403431efe74277146067be3473bc2eb4_big.svg" type="image/svg+xml"></object> &nbsp; Tlenek ołowiu (IV)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <object class="math small" data="https://odrabiamy.pl/api/v3/math_formulas/cd6f91566b08245cf4770ca17d4aeed20f2707874596ea9bf4531c290f7497a4_small.svg" type="image/svg+xml"></object><object class="math big" data="https://odrabiamy.pl/api/v3/math_formulas/cd6f91566b08245cf4770ca17d4aeed20f2707874596ea9bf4531c290f7497a4_big.svg" type="image/svg+xml"></object> &nbsp; Tlenek selenu (VI)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <object class="math small" data="https://odrabiamy.pl/api/v3/math_formulas/6f1b9639108f7b1cee54838029cf0a52d82696bf57fadf7718b8e27a7e86c79f_small.svg" type="image/svg+xml"></object><object class="math big" data="https://odrabiamy.pl/api/v3/math_formulas/6f1b9639108f7b1cee54838029cf0a52d82696bf57fadf7718b8e27a7e86c79f_big.svg" type="image/svg+xml"></object> &nbsp; Tlenek manganu (VII)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <object class="math small" data="https://odrabiamy.pl/api/v3/math_formulas/0b78bb6c9f8843579bc9ff429ff03af833c7dd2b2be5b34e54051721d8d3cd08_small.svg" type="image/svg+xml"></object><object class="math big" data="https://odrabiamy.pl/api/v3/math_formulas/0b78bb6c9f8843579bc9ff429ff03af833c7dd2b2be5b34e54051721d8d3cd08_big.svg" type="image/svg+xml"></object>

Tlenek &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; wartościowość pierwiastków&nbsp; <object class="math small" data="https://odrabiamy.pl/api/v3/math_formulas/14188c0f27047e18091372a1b47735c0d2234d6d011ac406d7121d6a0d16cd09_small.svg" type="image/svg+xml"></object><object class="math big" data="https://odrabiamy.pl/api/v3/math_formulas/14188c0f27047e18091372a1b47735c0d2234d6d011ac406d7121d6a0d16cd09_big.svg" type="image/svg+xml"></object> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Sn(IV) &nbsp;i O(II)&nbsp; <object class="math small" data="https://odrabiamy.pl/api/v3/math_formulas/d8255c128b30a03bff53fb54fae092aa02c4ea015bf245d5ef28311ee318bf74_small.svg" type="image/svg+xml"></object><object class="math big" data="https://odrabiamy.pl/api/v3/math_formulas/d8255c128b30a03bff53fb54fae092aa02c4ea015bf245d5ef28311ee318bf74_big.svg" type="image/svg+xml"></object> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; N(I) i O(II)&nbsp;

Komentarze