Chm 1025 - Study guides, Class notes & Summaries

Scientific Notation and Exponential Notation Add, subtract, multiply, divide, and convert Significant Numbers Non-zero digits are always significant. Any zeros between two significant digits are significant. A final zero or trailing zeros in the decimal portion ONLY are significant. Space holding zeros on numbers less than one. the zero to the left of the decimal point on numbers less than one. Zero Type #3: trailing zeros in a whole number. SI International System of Units Metric Con...

CHM 1020 - Final Exam Study Guide | Actual Questions and Answers Latest Updated 2024/2025 (Graded A+)

CHM 1025 - Exam 1 Review – 96 Questions and answers

Metals that form cations with different charges Transition metals Nonmetals that form anions with -1 charge. Diatomic elements Halogens Group of metals that forms actions with +1 charge Alkali Nonmetals that are not reactive Noble gases Elements with properties in between metals and nonmetals Metaloids Most are solid, have luster and conduct electricity very well Metals Group of metals that forms actions with +2 charge Alkaline earth

CHM 1020 Final Exam | Questions and Correct Answers | Latest Update 2024/2025 | Graded A+ Oxidation and reduction of atoms involves a change in the number of ________ in the atom. - Answer -Electrons Which squares contain mixtures? - Answer -III (two white's together and 3 darks separated) and IV (4 strands all together, 2 with whites and darks, 2 with just whites) only Which corresponds to the composition of the ion typically formed by magnesium? #protons #electrons net charge A. 1...

Chm 1025 Formulas (Final) – Exam Questions with Answers

CHM 1020 - Final Exam Study Guide | Questions and Correct Answers | Latest Update 2024/2025 | Graded A+ The quantity 0.0000064 g expressed in scientific notation is ___________. - Answer -6.4 x 10^-6 A substance that can be broken down into 2 or more simpler substances only by chemical methods is called a(n) - Answer -compound Which is not a mixture? - Answer -sodium chloride which substance is an element? - Answer -N2 The majority of new smartphones being released have displays that a...

CHM 1025 Exam 3/61 Questions and Answers/100% Accurate