What is the Valency of chlorine? Atomic Structure | Exercise Valency is the number of hydrogen atoms that combine or displace with another atom to form a compound. One atom of hydrogen combines with one atom of chlorine to form HCl, the valency of chlorine is 1. Why is Valency of chlorine 1? Valency of […]

What letter comes after G in the musical alphabet? These 7 white notes are named after the first 7 letters of the English alphabet: A, B, C, D, E, F and G. After the note ‘G’, the pattern starts over and we get another ‘A’. What letter is a whole note? semibreve Is an octave […]

How do you find diameter with volume? Diameter of a sphere: d = 2 * r , Surface area of a sphere: A = 4 * π * r² , Volume of a sphere: V = 4/3 * π * r³ , Surface to volume ratio of a sphere: A / V = 3 / […]

What is the prime factorisation of 3375? 5 is one of the factors! The orange divisor(s) above are the prime factors of the number 3,375. If we put all of it together we have the factors 3 x 3 x 3 x 5 x 5 x 5 = 3,375. It can also be written in […]

What is the result when the number 94 is increased by 50%? Latest numbers increased by percentage of value 770, percentage increased by 31% (percent) of its value = 1,008.7 May 12 22:37 UTC (GMT) 94, percentage increased by 50% (percent) of its value = 141 May 12 22:37 UTC (GMT) 9,500, percentage increased by […]

How do you write 69 8 as a mixed number? As a positive improper fraction (numerator > denominator): 69/8 = 69/8 As a mixed number. (a whole number and a proper fraction, of the same sign): 69/8 = 8 5/8 As a decimal number: 69/8 ≈ 8.63. As a percentage: 69/8 = 862.5% How do […]

What are the different types of electrical boxes? There are round, square, retangular, shallow, weatherproof, and extension boxes. Electrical boxes come in plastic and metal varieties. Plastic boxes are non-conductive and are relatively inexpensive. They come in different styles that either nail on or are the cut-in variety. How much weight can a plastic Octagon […]

What is the symbol for micrometres and Nanometres? The nanometre was formerly known as the millimicrometre – or, more commonly, the millimicron for short – since it is 11000 of a micron (micrometre), and was often denoted by the symbol mµ or (more rarely and confusingly, since it logically should refer to a millionth of […]

Do I need maths A level for medicine? chemistry, biology and either maths or physics (or both) will keep all the medical schools open to you. if you don’t take maths or physics but do take chemistry and biology, it will keep open the vast majority. Is maths required in medicine? Students aspiring to study […]

How many subsets have an odd number of elements? There are 29 subset of a nine element set. We have shown that every one of these can be made into a subset of a ten element set having an odd number of elements. Can a set have an odd number of subsets? If there is […]