Sodium and its compounds
Sodium and its compounds Sodium is a typical alkali metal. It occurs naturally in its ores chiefly as sodium chloride (common salt), sodium trioxonitrate(V) (Chile saltpetre)[....]
Sodium and its compounds Sodium is a typical alkali metal. It occurs naturally in its ores chiefly as sodium chloride (common salt), sodium trioxonitrate(V) (Chile saltpetre)[....]
Calcium and its compounds Calcium is a typical alkali earth metal. It occurs as calcium trioxocarbonate (IV) in different forms: chalk, limestone, marble, calcite, Iceland[....]
Calcium and its compounds Calcium is a typical alkali earth metal. It occurs as calcium trioxocarbonate (IV) in different forms: chalk, limestone, marble, calcite, Iceland[....]
Allotropes, Alloys and Ores of metals and non-metals Both metals and non-metals show polymorphism or allotropy. This is the occurrence of an element in more[....]
Deliquescent, Hygroscopic and Efflorescent Compounds These are substances composed of two or more kinds of atoms (elements) joined together in a definite grouping. The[....]
Physical and chemical properties of metals and non-metals There are distinct substances that cannot be spit-up into simpler substances. Such substances consist of only one[....]
Heating profile of a solid The temperature at which vibrations of a particles of a solid become so great such that the mutual attractive forces are overcome and the particles[....]
Classification of Matter Matter is anything that has mass and occupies space i.e everything seen or unseen. On a broad basis, matter can be subdivided into two general[....]
Contact Us Thank you for your interest in us. Please kindly contact us on the below phone Numbers: 08155155408 09032343421 Or email us at admin@naijobservers.com[....]
Adverbial cluster Adverbs are words that qualify verbs. They tell us more about an action. Example: He carried the egg carefully Sometimes, more than one adverb can describe[....]
Concord in English The term 'CONCORD' is derived from the name of an ancient Roman goddess called 'Concordia'. Concordia was a goddess of agreement, harmony and understanding.[....]
Parenthesis Concord Sometimes, some words may come between the subject of a sentence and the verb. Such words may hinder us from getting or selecting the appropriate verb[....]
Parenthesis Concord Sometimes, some words may come between the subject of a sentence and the verb. Such words may hinder us from getting or selecting the appropriate verb[....]
Words Often Misused 1. Lend/Borrow Lend is used for the giver while borrow is used for the receiver. Thus means you lend to while we borrow[....]
English Sentences I define sentence as a word or group of word beginning with a capital letter, ending with an appropriate punctuation mark such as full-stop, comma, question[....]
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