Create your student account before you continue - it's free.
You will receive the verification email in a minute. Write down your code to verify your account or click the verification link.
Have you already verified your email by clicking the link?
Complete your registration
Dobrý deň vedel by prosím niekto vyriešiť tieto úlohy ďakujem
1.Ktoré z nasledovných druhov zlúčenín tvoria najčastejšie hlavnú zložku rudy: kremičitany, hydroxidy, sulfidy, peroxidy, oxidy, hydridy?
2.Určte, do ktorej periódy a ktorej skupiny periodickej sústavy je zaradený neprechodný prvok, ak majú jeho atómy takéto usporiadanie valenčných elektrónov: a) 2s²2p², b) 3s² 3p³, c) 1s¹, d) 7s², e) 4s²4pª.
doučma.sk
Are you looking for chémia SŠ tutoring? Find the right chémia SŠ tutor for online or in-person tutoring near you.
We access the information stored on your device for this website to function properly. This includes, for example, cookies or local browser cache. We use this to store the data necessary for the functioning of the website, data used for analytical purposes, or data stored by third parties.
If this information is essential for the operation of this website, we store it automatically. For everything else, we need your consent, which you can choose to give below. Your consent is valid for 12 months. Should you refuse, we will ask you for consent again in 6 months, but you are free to change your mind at any time. For more information, please see our GDPR and Terms of Use.
