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chem

Chemistry exam 1

QuestionAnswer
What is chemistry A type of physical science
What is a atom the smallest element
What is a element substances that can't be broken down
What is a compound substances that can be broken down
What is Homogenous a mixture that is uniform in composition
What is Heterogenous a mixture that is not uniform in composition
What is quantitive changing in temperature or numbers
what is qualitative changing in color or in other ways
What is mm L
What is mL V
What is kg M
What is L V
What is g M
What is cubic centimeter L
What is m L
what is mg M
What is density ratio of mass to volume
who developed the atomic theory John dalton
who discovered the electron JJ thomson (cathode ray)
who discovered the nucleus Ernest Rutherford (gold foil)
Bohr the electron can circle the nucleus only in allowed path or orbits
most of the mass in an atom is from protons and neutrons
most of the volume in a atom is from electron clouds
what is a isotope atom has the same # of element and different 3 of mass
what is a ground state state when an atom has high potential
what is the orbital S shape spherical
what is the orbital P shape dumbbell
how many orbitals are in s 2
how many orbitals are in p 6
how many orbitals are in d 10
how many orbitals are in f 14
Hunds rule the statement that has no 2 electrons in the same atom can have the same 4 quantum numbers
Aufbau principle the statement that says orbitals of equal energy are occupied by 1 electron before pairing up
who added Noble gases Ramsey
who arranged the elements according to their chemical and physical properties Mendeleev
Alkali metals group 1
alkaline earth metals group 2
halogens group 17
noble gases group 18
what is ionization energy energy required to remove energy
what group has a higher ionization non metals
what is electronegativity tendency of an atom to attract electrons
which element has the highest electronegativity fluorine
what is a chemical bond the difference in electronegativity
Electrons that are involved in chemical bonding valence electrons
what is octet rule having a full set of 8 valence electrons
what group doesn't chemically bond with others noodle gases
what type of chemical bonds show in Lewis structure covalent
what is nuclear reaction changing in identity or characteristics of the nucleus
What is Fusion the splitting of the nucleus
what is Fission the joining of 2 smaller nuclei to form to a larger one
Created by: laniecruz