Determining the Oxidation Number
... 1. The cation is written first in a formula, followed by the anion. For example, in NaH, the H is H-1; in HCl, the H is H+1. 2. The oxidation number of a monatomic ion equals the charge of the ion. For example, the oxidation number of Na+1 is +1; the oxidation number of N3- is -3. ...
... 1. The cation is written first in a formula, followed by the anion. For example, in NaH, the H is H-1; in HCl, the H is H+1. 2. The oxidation number of a monatomic ion equals the charge of the ion. For example, the oxidation number of Na+1 is +1; the oxidation number of N3- is -3. ...
Vocabulary - Hartland High School
... Example 5: You are going to paint a rectangular wall. The perimeter of the wall is 484 feet. The ratio of the length to the width is 9:2. Find the area of the wall. ...
... Example 5: You are going to paint a rectangular wall. The perimeter of the wall is 484 feet. The ratio of the length to the width is 9:2. Find the area of the wall. ...
Holiday Homework
... LE 6.11 Write a program to print out all Armstrong numbers between 1 and 500. If sum of cubes of each digit of the number is equal to the number itself, then the number is called an Armstrong number. For example 153 = ( 1 * 1 * 1 ) + ( 5 * 5 * 5 ) + ( 3 * 3 * 3 ) ...
... LE 6.11 Write a program to print out all Armstrong numbers between 1 and 500. If sum of cubes of each digit of the number is equal to the number itself, then the number is called an Armstrong number. For example 153 = ( 1 * 1 * 1 ) + ( 5 * 5 * 5 ) + ( 3 * 3 * 3 ) ...
Mental oral - Brenden is Teaching
... How can ewe find out? They may suggest that the children take 1 each until there are none left. Repeat this with 2 people sharing How many does each person have? So 4 shared by 2 gives 2 each Stress how important it is that each share is the same size. Repeat with 9 shared between 3. Ask questions t ...
... How can ewe find out? They may suggest that the children take 1 each until there are none left. Repeat this with 2 people sharing How many does each person have? So 4 shared by 2 gives 2 each Stress how important it is that each share is the same size. Repeat with 9 shared between 3. Ask questions t ...
open -ended questions for mathematics
... points is one of two possible lengths; for example, one possible solution would be to have the four points be the vertices of a square. The side lengths of the square would be one length. The diagonals would be the second length. There are other possible solutions to this question. Draw diagrams/pic ...
... points is one of two possible lengths; for example, one possible solution would be to have the four points be the vertices of a square. The side lengths of the square would be one length. The diagonals would be the second length. There are other possible solutions to this question. Draw diagrams/pic ...
references
... sums of s squares of positive integers (m=1) simultaneously, for example, by s= 1,2,3,4,5 (in that case s0 =1, s1 =5 and, therefore, s1 - s0= 4 = g(0,2)), THEN any n > n*(1,2) will be representable by a sum (1) for any s g(0,2) + s0 = 4 + 1=5. As is ...
... sums of s squares of positive integers (m=1) simultaneously, for example, by s= 1,2,3,4,5 (in that case s0 =1, s1 =5 and, therefore, s1 - s0= 4 = g(0,2)), THEN any n > n*(1,2) will be representable by a sum (1) for any s g(0,2) + s0 = 4 + 1=5. As is ...
Addition
Addition (often signified by the plus symbol ""+"") is one of the four elementary, mathematical operations of arithmetic, with the others being subtraction, multiplication and division.The addition of two whole numbers is the total amount of those quantities combined. For example, in the picture on the right, there is a combination of three apples and two apples together; making a total of 5 apples. This observation is equivalent to the mathematical expression ""3 + 2 = 5"" i.e., ""3 add 2 is equal to 5"".Besides counting fruits, addition can also represent combining other physical objects. Using systematic generalizations, addition can also be defined on more abstract quantities, such as integers, rational numbers, real numbers and complex numbers and other abstract objects such as vectors and matrices.In arithmetic, rules for addition involving fractions and negative numbers have been devised amongst others. In algebra, addition is studied more abstractly.Addition has several important properties. It is commutative, meaning that order does not matter, and it is associative, meaning that when one adds more than two numbers, the order in which addition is performed does not matter (see Summation). Repeated addition of 1 is the same as counting; addition of 0 does not change a number. Addition also obeys predictable rules concerning related operations such as subtraction and multiplication.Performing addition is one of the simplest numerical tasks. Addition of very small numbers is accessible to toddlers; the most basic task, 1 + 1, can be performed by infants as young as five months and even some non-human animals. In primary education, students are taught to add numbers in the decimal system, starting with single digits and progressively tackling more difficult problems. Mechanical aids range from the ancient abacus to the modern computer, where research on the most efficient implementations of addition continues to this day.