i. Ca2+ ii. Fe3+ iii. Fe2+ iv. Al3+ Solutions 1. Ca²+ = 1s² 2s² 2P6 3s² 3P6 2. Fe³+ =…
Solutions. Sodium ion, Na+, electronic configuration = 1s² 2s² 2P6 Neon atom Ne, electronic configuration = 1s² 2s² 2P6 Sodium…
1. State the composition of the nucleus. 2. Describe the arrangement of the electrons 3. Name the element for which…
USES OF ALUMINIUM - For making cooking utensil - For making overhead electric cables - Aluminum powder is used in…
PHYSICAL PROPERTIES OF ALUMINUIM - It is a silvery-white solid - It has a relatively low density(2.7) - It is…
1) How sodium reacts with water 2) What happens when water is added drop by drop to quick lime 3)…
FACTORS THAT CAN AFFECT REACTION RATE. 1) Nature of the reactants 2) Concentration/pressure ( for gases) of the reactant 3)…
Uses of sodium * Manufacture of compound e.g. sodium peroxide, sodium cyanide e.t.c * In sodium vapors lamps (for lighting…
Solution Presence of air (Oxygen) and water PREVENTION Oiling Galvanizing Greasing Painting Electro planting Cathodic protection
N2 (g) + 3H2(g) → 2NH3 (g) (reversible) AgNO3 (aq) + NaCl (aq) → AgCl(s) + NaNO3 (irreversible)