A2 chemistry Study guides, Revision notes & Summaries

HESI A2 V2 QUESTIONS AND ANSWERS GRAMMAR, VOCABULARY, READING COMPREHENSION, MATH, A&P, BIOLOGY AND CHEMISTRY////HESI A2 V2 QUESTIONS AND ANSWERS GRAMMAR, VOCABULARY, READING COMPREHENSION, MATH, A&P, BIOLOGY AND CHEMISTRY

HESI A2 CHEMISTRY V1/V2 FILE 2024 HESI A2 CHEMISTRY V1/V2 FILE 2024 HESI A2 CHEMISTRY V1/V2 FILE 2024

HESI A2 V2 QUESTIONS AND ANSWERS GRAMMAR, VOCABULARY, READING COMPREHENSION, MATH, A&P, BIOLOGY AND CHEMISTRY

HESI A2 Chemistry Acid a compound that is a hydrogen or proton donor. It is corrosive to metals, changes blue litmus paper red, and becomes less acidic when mixed with bases Atom the basic building block of a molecule that contains a nucleus and orbits Atomic mass the average mass of each of that element's isotopes Base a hydrogen or proton acceptor and generally has a hydroxide (OH) group in the makeup of the molecule. Bases are also called alkaline compounds and are subs...

HESI A2 V2 QUESTIONS AND ANSWERS GRAMMAR, VOCABULARY,READING COMPREHENSION, MATH, A&P,BIOLOGY AND CHEMISTRY. GRAMMAR 1. My father and I looked at her/hers. 2. I am looking forward to my birthday party next week. a. Going b. Go c. Have d. Having 3. Coffee experts feel that the coffee blend is a dark blend. a. More greater b. Great c. Best d. More greatest 4. The nurse made a error with the medication, so the doctor made notes about it in the patients file. a. About...

HESI A2 V2 QUESTIONS AND ANSWERS GRAMMAR, VOCABULARY, READING COMPREHENSION, MATH, A&P, BIOLOGY AND CHEMISTRY 2023

HESI A2 V2 QUESTIONS AND ANSWERS GRAMMAR, VOCABULARY, READING COMPREHENSION, MATH, A&P, BIOLOGY AND CHEMISTRY 2023

HESI A2 CHEMISTRY STUDY GUIDE QUESTIONS AND ANSWER KEY Atom The atom is the smallest unit of matter. Every atom contains one nucleus at least one electron. The nucleus contains at least one positively charged proton and an equal number of neutrally charged neutrons. Every atom also has at least one negatively charged electron bound to the nucleus. When the number of protons (the atomic number) is equal to the number of electrons, the atom is neutral. When the number of protons and number o...

Mixture with uniform density throughout and no distinguishable coponents.Answer - Homogeneous Mixture Mixture in which the components are readily distinguished.Answer - Heterogeneous Mixture A change in which the checmical composition of a substance remains the same.Answer - Physical Change A change in which the chemical bonds are broken and reformed to create a new and different substance.Answer - Chemical Change The simplest of substances and is represented by a specific letter...

scientific notation the scientific system of writing numbers -composted of 3 parts: mathematical sign, the significand, and the exponential/logarithm mathematical sign designates whether the number is positive or negative (+/-) significand the base value of the number or the value of the number when all the values of ten are removed exponential/logarithm a multiplier of the significand in powers of 10. a positive exponential multiplies the significand by factors of 10. a nega...