What is the formula for hydroiodic acid?
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What is the answer to the question below using the correct n…
What is the answer to the question below using the correct number of significant figures? 88.1 + 11.99 = ?
Find the average atomic mass of a sample of lithium that is…
Find the average atomic mass of a sample of lithium that is 71.756% lithium-6 (6.04782 amu) and 28.244% lithium-7 (7.05648 amu).
Elements in group 17 are known as …
Elements in group 17 are known as …
What is 1.621 × 10-3 in decimal notation?
What is 1.621 × 10-3 in decimal notation?
What is the formula mass for C6H14N2O2?
What is the formula mass for C6H14N2O2?
Elements in group 15 are known as …
Elements in group 15 are known as …
Which subatomic particle(s) is/are uncharged?
Which subatomic particle(s) is/are uncharged?
What is the name of the acid, H2CO3?
What is the name of the acid, H2CO3?
VRAAG 2 2.1 Noem die tipe binding wat gevorm kan word…
VRAAG 2 2.1 Noem die tipe binding wat gevorm kan word tussen ‘n atoom sonder ongepaarde elektrone en ‘n atoom met ‘n alleenstaande paar. (2) 2.2 Watter van die volgende reaksies sal nie plaasvind nie? Gee die korrekte letter en verduidelik jou antwoord. A. H+H→H2 B. Ar+Ar→Ar2 C. Cl+Cl→Cl2 D. O+O→O2 (2) 2.3 Teken ‘n Lewis-diagram van ‘n formaldehiedmolekule (CH2O). (3) 2.4 Balanseer die volgende chemiese vergelyking: Au2S3 + H2 → Au + H2S (4) [11]