FREE SCIENCE AND STUDY GAMES ABOUT VOCABULARY

PDF Download

FREE SCIENCE AND STUDY GAMES ABOUT VOCABULARY

WORDS EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -13 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: Specific coefficients arise in mathematical identities, such as the binomial theorem which involves binomial coefficients; these particular coefficients are tabulated in Pascal's triangle

Answer:

Coefficient(in a chemical Equation) Question 2: process that produces chemical charge, resulting in new substance that have properties different from those of the original substance.

Answer:

Chemical reaction Question 3: A chemical formula or molecular formula is a way of expressing information about the atoms that constitute a particular chemical compound.

Answer:

Chemical formula

Question 4: shorthand form for writing what reactants are ued and what products are formed in a chemical reaction; sometimes shows wheter energy is produced or absorbed.

Answer:

Chemical Equation Question 5: A chemical compound is a pure chemical substance consisting of two or more different chemical elements[1][2][3] that can be separated into simpler substances by chemical reactions.[

Answer:

Compound Molecule Question 6: In physics, charge conservation is the principle that electric charge can neither be created nor destroyed. The net quantity of electric charge, the amount of positive charge minus the amount of negative charge in the universe, is always conserved.

Answer:

Physical charge Question 7: A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.

Answer:

Reactions(in a chemical equation)

Question 8: substance that cannot be broken down into simpler substances.

Answer:

Element Question 9: Diatomic molecules are molecules composed only of two atoms, of either the same or different chemical elements.

Answer:

Element(Diatomic)Molecule Question 10: The law of conservation of mass, also known as the principle of mass/matter conservation, states that the mass of an isolated system (closed to all matter and energy) will remain constant over time.

Answer:

Law of conservation of mass

Question 11: A partial charge is a charge with an absolute value of less than one elementary charge unit (that is, smaller than the charge of the electron).

Answer:

Chemical charge Question 12: A subscript or superscript is a number, figure, symbol, or indicator that appears smaller than the normal line of type and is set slightly below or above it.

Answer:

Subscript(in a chemical Equation) Question 13: Product(s) are formed during chemical reactions as reagents are consumed.Products have lower energy than the reagents and are produced during the reaction according to the second law of thermodynamics.

Answer:

Product(in a chemical Equation)