General chemistry Questions & Answers

General chemistry Questions & Answers A tentative explanation of further facts for further experimentation - CORRECT ANSWER - Hypothesis Amplitude - CORRECT ANSWER - Distance from middle peak Anion - CORRECT ANSWER - A negatively charged ion Cation - CORRECT ANSWER - A positively charged ion Chemical property - CORRECT ANSWER - Properties a substance shows as an interacts with or transformed into other substances composition - CORRECT ANSWER - The types and amount of simpler substances that make up a sample of matter Constant Variable - CORRECT ANSWER - All other variables that could change, but should NOT so that we measure the relationship between the independent independent variables control group - CORRECT ANSWER - The normal conditions Decide whether the following statements is an observation, hypothesis, theory, or law. Matter cannot be created nor destroyed, it can only be rearranged - CORRECT ANSWER - This is a law Decide whether the following statements is an observation, hypothesis, theory, or law. The reaction produced a concentration of nitrogen at 25PPM. - CORRECT ANSWER - observation Decide whether the following statements is an observation, hypothesis, theory, or law. The universe started for me, sudden rapid expansion from one source. - CORRECT ANSWER - theory dependent variable - CORRECT ANSWER - The variable that changes in response to the independent variable changing Element - CORRECT ANSWER - Substances that cannot be broken down by chemical means experimental group - CORRECT ANSWER - the new conditions based on hypothesized Frequency - CORRECT ANSWER - The number of successive Waverly given point in a unit of time Groups - CORRECT ANSWER - Columns on the periodic table Heterogenous - CORRECT ANSWER - Matter without uniform composition having two or more components or phases Homogeneous - CORRECT ANSWER - Matter that has uniform properties