| Question | Answer |
| Basic research is | carried out for the sake of increasing knowledge.
|
Applied research is2 | carried out to solve a problem2
| An example of an extensive physical property is3 | mass3
| Which of the following is an intensive physical property4 | color4
| The state of matter in which a material has definite shape and definite volume is the5 | solid state5
| The state of matter in which a material has neither a definite shape nor a definite volume is the6 | gaseous state6
| The state of matter in which particles are rigidly held in fixed positions is the7 | solid state7
| If 6 g of element K combine with 17 g of element L, how many grams of element K combine with 85 g of element L8 | 30 g8
| Give an example of the law of multiple proportions9 | CO CO9
| According to the law of definite proportions, any two samples of KCl have10 | the same ratio of elements10
| Mendeleev attempted to organize the chemical elements based on their11 | properties11
| The person whose work led to a periodic table based on increasing atomic number was12 | Moseley12
| Argon, krypton, and xenon are13 | noble gases13
| The principle that states that the physical and chemical properties of the elements are periodic functions of their atomic numbers is14 | the periodic law14
| For electromagnetic radiation, c (the speed of light) equals15 | frequency times wavelength15
| A quantum of electromagnetic energy is called a(n)16 | photon16
| Planck's constant17 | is the same for all forms of radiation17
| To balance a chemical equation, it may be necessary to adjust the18 | coefficients18
| A chemical equation is balanced when the19 | same number of each kind of atom appears in the reactants and in the products19
| Which coefficients correctly balance the formula equation CaO + H2O ® Ca(OH)220 | 1, 1, 120 |
