does knowledge sharing

Julia bought 12 pens for three of her boys. If they share the pens equally among themselves, how many pens does each one get? => 9 or 3 or 4 or 12..

A covalent bond is defined 'as the force of attraction arising due to mutual sharing of electrons between the two atoms.' The combining atoms may share one, two or three pairs of electrons. The covalent bond is formed between two similar or dissimilar atoms by a mutual sha..

Double Covalent Bond - A double covalent bond consists of two pairs of shared electrons. It is formed by the sharing of two pairs of electrons between two atoms. It is actually a combination of two single bonds. It is represented by putting two short lines between the two atoms ..

Combination with elements Nitrogen does not easily combine with other elements under ordinary conditions. A molecule of nitrogen is diatomic. These two atoms have combined by mutually sharing three pairs of electron..

Halogens have only one electron less than the next noble gas. Therefore, they can get the noble gas configuration either by gaining one electron to form uninegative ion, X - , or by sharing electrons with other atoms. Thus, they show an oxidation of state of l or + 1. Since fluorine..

Which of the following situations matches with the number sentence '15 × 5'? => 15 oranges are shared equally among 5 students. How many oranges will each get? or A person saves $15 per day. How much his savings after 5 days? or A plant′s height was 15 inches initially. After ..

The hydronium ion is a hydrogen ion in association with a molecule of water. In a water molecule, the oxygen atom has two pairs of unshared electrons in its outermost shell. The hydrogen ion does not have any electron in its valence shell. Hence it shares a pair of electro..

If one end of a metal rod is placed in a stove, the temperature of the other end increases gradually. Heat is transferred from one end of the rod to the other end. This transfer takes place due to molecular collisions and the process is called heat conduction. The molecules at one end of the rod ga..

The hydronium ion is a hydrogen ion in association with a molecule of water. In a water molecule, the oxygen atom has two pairs of unshared electrons in its outermost shell. The hydrogen ion does not have any electron in its valence shell. Hence it shares a pair of electrons fr..

Question: Recently there has been a proposal to abolish exams till class X to ease the burden of school going children. Give a speech expressing your views favouring the debate topic 'Abolition of exams for X - a blessing' Answer: Honourable Chief Guest, Teachers and Dear friends, ..