1st Chemistry Test Questions And Answers 100% Verified A+ Guaranteed

isotopic symbol order {Ans: atomic mass, atomic number ex. 32/11 Na}The atomic number tells you the number of ___________________________ in one atom of an element. It also tells you the number of __________________________ in a neutral atom of that element. The atomic number gives the "identity" of an element as well as its location on the periodic table. {Ans: protons, electrons}number of neutrons {Ans: mass number- atomic number}electron charge {Ans: negative}What is chemistry? {Ans: The study of composition, properties, and interactions of matter}Heterogeneous {Ans: (adj.) composed of different kinds, diverse}Organic chemistry {Ans: The study of carbon containing compounds}The number of protons in one atom of an element determines the atom's {Ans: atoms number}What is a chemical? {Ans: A substance with a definite composition}number of electrons determines the _________________________ of the element. {Ans: charge}physical change {Ans: A change in a substance that does not involve a change in the identity of the substance}Chemical change {Ans: A change in matter that produces one or more new substances}The mass number is used to calculate the number of ______________________ in one atom of an element. In order to calculate the number of