top of page
Expert Chemistry, Biology, Physics and Math Tutoring Online and Bethesda,MD
646-407-9078
Search
Which electrons in a calcium atom in the ground state have the greatest effect on the chemical prope
June 2018 NY Regents Chemistry Exam 4 Which electrons in a calcium atom in the ground state have the greatest effect on the chemical...
If two atoms are isotopes of the same element, the atoms must have
June 2018 NY Regents Chemistry Exam 3 If two atoms are isotopes of the same element, the atoms must have (1) the same number of protons...
Which statement explains why a xenon atom is electrically neutral?
June 2018 NY Regents Chemistry Exam 2 Which statement explains why a xenon atom is electrically neutral? (1) The atom has fewer...
Which statement describes the charge and location of an electron in an atom?
June 2018 NY Regents Chemistry Exam 1 Which statement describes the charge and location of an electron in an atom? (1) An electron has...
Which electron configuration represents the electrons of an atom in an excited state?
January 2018 NY Regents Chemistry Exam 32 Which electron configuration represents the electrons of an atom in an excited state? (1) 2–2...
An ion that consists of 7 protons, 9 neutrons, and 10 electrons has a net charge of
January 2018 NY Regents Chemistry Exam 31 An ion that consists of 7 protons, 9 neutrons, and 10 electrons has a net charge of (1) 2- (2)...
Given a list of atomic model descriptions:A: electron shells outside a central nucleus B: hard, in
January 2018 NY Regents Chemistry Exam 2 Given a list of atomic model descriptions: A: electron shells outside a central nucleus B:...
Which statement describes the location of 5 protons and neutrons in an atom of helium?
January 2018 NY Regents Chemistry Exam 1 Which statement describes the location of 5 protons and neutrons in an atom of helium? (1) ...
Which electron configuration represents the electrons of an atom in an excited state?
August 2018 NY Regents Chemistry Exam 32 Which electron configuration represents the electrons of an atom in an excited state? (1) 2-5...
The discovery of the electron as a subatomic particle was a result of
August 2018 NY Regents Chemistry Exam 4 The discovery of the electron as a subatomic particle was a result of (1) collision theory (2)...
Looking for Chemistry Tutoring?
I tutor all levels of chemistry including general and organic chemistry.
bottom of page