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Periodic Trends: Atomic Size 823 367 School Tutoring

Periodic Trends: Atomic Size

Specific patterns of certain elemental characteristics are present in the periodic table. The tendencies of these patterns increase or decrease as you move along the columns and rows of the table. These patterns are called periodic trends. One of them is atomic size. The atomic size, or atomic radius, is the distance between the nucleus…

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English Essay Help: Preventing Rambling 160 128 School Tutoring

English Essay Help: Preventing Rambling

One of the criteria that are judged during the SAT writing portion is the length of the essay. There are many people who took the test that find it hard to make it to the satisfactory length that markers are expecting. This is usually anywhere between 3-5 well-organized paragraphs. Most test-takers will then proceed and…

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Geometry: Distance From a Point to a Line 150 150 SchoolTutoring Academy

Geometry: Distance From a Point to a Line

Distance from a point to a line: We know that the perpendicular distance from origin to a straight line whose equation is a+by+c=0 is |c|/√(a2+b2). This formula works to find out the distance of a line from the origin whose coordinates are (0,0). Then how can we find the distance from a point different from…

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Equation of a Line – Normal Form 150 150 SchoolTutoring Academy

Equation of a Line – Normal Form

Normal: A normal to a line is a line segment drawn from a point perpendicular to the given line. Let p be the length of the normal drawn from the origin to a line, which subtends an angle ø with the positive direction of x-axis as follows. Then, we have Cos ø = p/m à…

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Cog Friday: Group Cognition 150 150 Suzanne

Cog Friday: Group Cognition

The human mind is a singular thing… until it enters a group. Group cognition is the study of how the mind processes information when people are in a group setting, and it has some interesting implications on thought processes. It happens all the time that people who are working together will come up with the…

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Monomials, Binomials and Polynomials 150 150 SchoolTutoring Academy

Monomials, Binomials and Polynomials

When dealing with differing kinds of Polynomials, there are several varieties. Today we will explore a few different variations, and break down the simple formula for naming them. A monomial is the product of non-negative powers of variables. A monomial has no variables in its denominator and will only have one term. For example: 13,…

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Introduction to Probability: Mutually Exclusive Events 200 166 School Tutoring

Introduction to Probability: Mutually Exclusive Events

Two events are mutually exclusive if they cannot occur simultaneously. Here are some examples of events which are mutually exclusive: Turning left and turning right are mutually exclusive because you cannot do both at the same time When you toss a coin, landing on heads or tails are mutually exclusive events When choosing a single…

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DNA Translation 610 309 School Tutoring

DNA Translation

Translation is the process in which RNA is used to create protein. It occurs in the cytoplasm of the cell after the mRNA leaves the nucleus (in eukaryotes). Initiation – The small subunit of a ribosome attaches to the 5’ end of the mRNA – Transfer RNA for methionine then binds to the complex –…

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Algebra: How to Calculate Simple Interest 150 150 SchoolTutoring Academy

Algebra: How to Calculate Simple Interest

When one borrows money from bank, one has to pay more in the future by paying interest. Interest comes in a variety of forms, compound, simple, etc. Today we will explore simple interest. If you borrow $100 with an annual interest of 10%, and you are paying back the money after 5 years, calculate how…

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Chemistry: Empirical Formulas 150 150 SchoolTutoring Academy

Chemistry: Empirical Formulas

The empirical formula is the simplest chemical formula that shows the lowest whole number ratio of the elements in the compound. This is different from the molecular formula, which has the number of atoms of each element that make up that molecule. The empirical formula may or may not be the actual molecular formula for…

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