ATI TEAS 7 Practice
Chemistry Practice Questions
Chemistry questions
A scientist observes that a reaction occurs faster when performed at a higher temperature. Which of the following…Which of the following changes is most likely to increase the rate of a chemical reaction?If the temperature in a room is 12 degrees Celsius, what is it in Fahrenheit?Which option identifies a decomposition chemical reaction?Which type of chemical bond involves an equal sharing of electrons between nuclei so that each is stabilized?A chemical reaction in which a molecule of water disrupts a compound such that one of the compound’s…Which properties do solids have as a result of strong intermolecular forces of attraction?Which of the following is the weakest intermolecular force?What does COOH symbolize?Which of the following is an organized structure of DNA and protein found in cells?Which of the following is not true of neutrons?Which of the following is the conversion of a substance from the liquid or solid phase into the…The columns of the periodic table are known as which of the following?In regard to a chemical reaction, what happens when there is a greater concentration?Which statement about liquids is correct?A chemical bond in which electrons are shared in a way that stabilizes both atoms is called a/n:Water that is saline contains significant amounts of dissolved _______.Identify the reduction in the following redox reaction: Fe2O3 + 3CO ----> 2FeO + 3CO2.Which option identifies a substance that would be considered an acid?Atoms with the same number of _______ and electrons, but differing numbers of _______ are called isotopes.Which of the following is true in regard to gas molecules?How does temperature influence the rate of a chemical reaction?Increasing the concentration is a way to increase the reaction rate of a chemical reaction. How does increasing…Which type of bond is formed when a hydrogen atom is attracted to a highly electronegative element?The atomic number for the element carbon (C) is 6. If the element has a positive charge of…Which option identifies the reactants in the chemical equation below? CH4 + 2O2 → CO2 + 2H2OWhich of the following substances is considered the “universal solvent”?A covalent bond between two amino acids that forms by dehydration synthesis is called a/n:Which option identifies a substance that has a covalent bond?Which type of chemical bond shares two electron pairs?Which of the following lanthanides is the hardest?Which of the following best illustrates a chemical change?The number of _____ plus_____ gives the atomic mass of an atom.A scientist mixes two solutions together, and the reaction produces a gas. Which result best supports that this…What characteristic of water allows for hydrogen bonding between molecules?A chemist adds a substance to water and observes an increase in hydroxide ion concentration. What is the…Elements that are in the same column of the periodic table are in the same:Which element is not required to form a polysaccharide molecule?A chemical reaction that releases more energy than it absorbs is called:How many periods does the periodic table have?In regard to an atom’s structure, which of the following statements is true?If a liquid has a pH of 2, is it an acid or a base?What term is used to describe a substance that can act as either a base or an acid?Which of the following reactions is an example of decomposition?Which of the following statements is true regarding the pH scale?All of the following elements are non-metals except:If hydrogen is in a compound, what would its oxidation number be?Which of the following describes a solution with a pH of 2?A solution with a pH less than 7 is considered to be what?Which factor would most likely increase the rate at which a solute dissolves in a solvent?An atom’s physical structure is composed of which of the following?What is an atom called if it has a negative charge?When a solid substance reaches a specific temperature it will transform into a liquid. This is known as…Potassium chloride salt is formed when a potassium solution combines with chloride. This is an example of which…What happens when an acid is mixed with a base in equal molar amounts?Which of the following statements correctly describes a property of gases?What is the difference between saturated and unsaturated fatty acids?If one atom of element X with a charge of 3- reacts with two atoms of element Y…During a reaction in a closed system, a chemist observes a decrease in reactant concentration over time. Which…A pure substance that cannot be created or broken down by ordinary chemical means is a/n:
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