HESI A2 Practice
Chemistry Practice Questions
Chemistry questions
Increasing the surface area is a way to increase the reaction rate of a chemical reaction. How does…If an atom has a positive charge, what is it called?In order for a solution to have a neutral pH, its pH should be which of the following?The pH scale ranges from 0 to 14, where 0 is more ______ and 14 is more ______.An atom of bismuth has a mass number of 209 and an atomic number of 83. How many…Which of the following has a positive electrical charge?Which of the following best states the law of conservation of mass?If an element is in its natural state, what is its number?Chemistry is the study of which of the following?Which of the following elements would be the least reactive?Which type of chemical bond has a covalent bond in which electrons are equally attracted to both nuclei?Which of the following represents the correct electron configuration for beryllium (Be – 4)?When copper is combined with silver nitrate, the two simply swap places. This is an example of which…Which of the following make up the nucleus of an atom?Which type of bond is formed when two atoms share one electron from each atom?Orbits of which of the following are located at the outermost part of an atom?In which part of the microscope is the ocular lens found?A sophisticated way to express a percent is to use molarity. In order to use molarity, scientists use…How many amino acids are required to make all the proteins necessary for life?How many moles of salt are contained in 200 mL of a 0.60 M NaCl solution?Each element of the periodic table consists of an atomic number, a chemical symbol, and an atomic weight.…The chemical bond formed when two atoms share electrons is known as a(n) ______ bond.What is an atom called if it has a negative charge?Which of the following is not a type of solution?Fluorine, oxygen, and nitrogen would each form what type of bond with a hydrogen atom?Which of the following solutions makes a new type of metal by combining solid solutions of other metals?When is a single covalent bond formed?Which of the following is not how a concentration would be expressed?If an atom has a negative charge, what is it called?An oligosaccharide is formed when how many monosaccharides are joined together?Which of the following best describes the product of a chemical equation?Which of the following options correctly shows 9,896,000 in scientific notation?Bases are compounds that denature proteins and they are also which of the following?Cellulose and glycogen are examples of what type of carbohydrate?Which of the following are high-energy, high-speed electrons or positrons emitted by certain types of radioactive nuclei?Which type of chemical bond shares one electron pair?Which of the following pH values would lemon juice most likely have?Which of the following is not one of the four ways to increase the reaction rate of a…Which of the following correctly shows the relationship between Kelvin and Celsius?When hydrocarbon is heated, its products are carbon dioxide and water. This is an example of which of…Which of the following terms is used to describe the process during which electrons are transferred from one…In order to prevent an individual from having tremors, fainting, or paralysis, in what range should his or…When referring to a chemical reaction, what does equilibrium mean?Ann is moving the microscope from the classroom to the chemistry lab. Which part of the microscope should…Which of the following options is an example of an ionic bond?Which of the following is unaffected by cellular differentiation?Which of the following statements about atoms is false?Which of the following is a property of a moving object or particle and depends not only on…Which type of bond is formed when one atom, chemical, or element is joined to another?Which chemical reaction breaks compounds into their component parts?Which of the following is an example of a ionic bond?A monosaccharide is a carbohydrate that contains carbon, hydrogen, and oxygen. Which of the following is an example…Increasing the concentration is a way to increase the reaction rate of a chemical reaction. How does increasing…A base substance will usually contain which of the following groups?The modern periodic table is arranged in order of increasing atomic ______.What are the rows of the periodic table called?What is 3.1 × 10⁻⁴ equal to?A covalently bonded compound is termed nonpolar when which of the following occurs?Which type of solution uses mercury to dissolve another metal type?What is the oxidation number of an elemental atom?
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