Teas test Study Guide Questions and Correct Answers
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Course
NU1426
Institution
NU1426
Teas test Study Guide Questions and Correct Answers
Intergers
Factors and Multiples
Prime numbers
prime factorization
PEMDAS "Order of Operations"
GCF (Greatest Common Factor)
LCM (Least Common Multiple)
Rules if exponents
perfect square
Factorials (e.g. 8!)
Quadratic Formula
Foil
phy...
Teas test Study Guide Questions and Correct
Answers
1). Intergers
Ans: whole numbers and their opposites no decimals or fractions
2). Factors and multiples
Ans: FACTORS- factors are the two numbers being multiplied in a multiplication
problem. A prime factorization is when you take a number and break it down into factors
over and over until the last numbers are all prime (only divisible by 1 and itself).
MULTIPLES- Multiples are the result of multiplying a certain number by integers.
3). Prime numbers
Ans: a number which can only be divided by itself and 1 which are:
2,3,4,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,87,89,97
4). Prime factorization
Ans: First factor the number then find and pull out the numbers that are prime
5). Pemdas "order of operations"
Ans: Please Excuse My Dear Aunt Sally (Parenthesis, Exponents, Multiply, Divide, Add,
Subtract); order in which an equation is worked out - multiplication and division as well
as adding and subtracting can be interchanged, depending on which comes first (from
left to right) in the equation
6). Gcf (greatest common factor)
Ans: the greatest number that is a factor of two or more numbers
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, 7). Lcm (least common multiple)
Ans: The smallest whole number greater than 0 that is a common multiple of each of
two or more numbers.
8). Rules if exponents
Ans: Must always share a base
1. When multiplying you add the exponents
2. When diving you subtracts the exponents
3. A number raised to a fraction power is the same as the root or radical
9). Perfect square
Ans: These are 1,4,9,25,36,49,64,81,100
10). Factorials (e.g. 8!)
Ans: To find the factorial of any integer, multiply it by every positive integer below it,
e.g.:
8x7x6x5x4x3x2x1
Ans: Atoms with the same number of protons but different numbers of neutrons
24). Atomic weight
Ans: Average of the mass numbers of all isotopes (usually 2x the atomic number)
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, 25). The atomic nucleus
Ans: The central part of an atom that contains both protons and neutrons.
26). Atomic energy states
Ans: All atoms strive to thrive lowest energy state
27). The n shells
Ans: Energy levels where the electrons are found, the lowest energy leve
28). Orbitals/shells
Ans: regions around the nucleus in which given electron or electron pair is likely to be
found ex) 1s which can only hold 2 electrons
29). P orbital
Ans: 6 electrons
30). Electron configuration
Ans: the arrangement of electrons of an atom in its ground state into various orbitals
around the nuclei of atoms ex) N= 1s2, 2s2, 2p3
31). Valance electrons
Ans: electrons in the outermost energy level These participate in chemical reactions
32). The octet rule
Ans: States that atoms lose, gain or share electrons in order to acquire a full set of
eight valence electrons
33). Transition metals (groups 3-12)
Ans: good thermal conductors, shiny, electric conductors, higher density and melting
points than group and low specific heat, and can be shapes and stretched
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