HESI A2 Chemistry Questions
What are all metric measurements composed of?(Ans- metric prefix and a basic unit of measurement
What is the most commonly used temperature in scientific community?(Ans- Celsius
Nucleus of an atom contains...(Ans- protons and neutrons
an atom with a positive charge (Ans- cation
what are the rows called in the periodic table (Ans- periods
atomic number (Ans- number of protons
atomic mass (Ans- mass of elements isotopes
how are chemical equations written?(Ans- reactants --> products 1 / 2
charge of potassium in KCL (Ans- +1
Catalyst substance accelerates a reaction by...(Ans- finding an alternate pathway for a reaction that requires less energy
percent concentration is expressed...(Ans- parts per 100 parts
what will 1 L of a 1 molar solution of any element contain?(Ans- atomic mass in grams
chemical bonding is the bonding of ...(Ans- atom to another atom
describe an ionic bond (Ans- it does not share electrons
describe reduction of a redox reaction (Ans- gain of electrons
what are acids (Ans- hydrogen donors
name a benefit for water to make hydrogen bonds (Ans- high specific heat
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