The number of neutrons in the nucleus of an atom can be calculated by
A. adding together the numbers of electrons and protons.
B. subtracting the number of protons from the number of electrons.
C. subtracting the number of protons from the mass number.
D. adding the mass number to the number of protons.Weegy:
C. subtracting the number of protons from the mass number. I hope this is helpful. Auto answered|Score 1|tinkermei|Points 1176|User:
Which of these statements is not true?
A. Atoms of the same elements can have different masses.
B. The nucleus of an atom has a positive charge.
C. Atoms of isotopes of an element have different numbers of protons.
D. Atoms are mostly empty space.Weegy:
Atoms of the same element can have different masses. b. ... c. The nucleus of an atom has a positive charge. d. Atoms are mostly empty space. C, ... [ http://quizlet.com/4065715/chemistry-midterm-flash-cards/
] Auto answered|Score .682User:
Which of the following statements is not consistent with the results obtained in Rutherford’s gold foil experiment?
A. The nucleus of an atom is positively charged.
B. The nucleus of an atom contains almost all the mass of the atom.
C. Atoms are composed mainly of empty space.
D. Electrons are contained in the nucleus of an atom.Weegy:
A. The nucleus of an atom is positively charged is not consistent with the results obtained in Rutherford s gold foil experimentAuto answered|Score .6|OxTornado007|Points 6899|User:
The nucleus of an atom is
A. negatively charged and has a low density.
B. negatively charged and has a high density.
C. positively charged and has a low density.
D. positively charged and has a high density. Weegy:
English Chemistry; 1. The Nucleus of an atom is A) Negatively charged and has a high density B) Positively charged and has a low density C) [ Negatively charged and has ... http://quizlet.com/17857911/chemistry-for-christman-flash-cards/
] Auto answered|Score .9811User:
Which of the following is not a part of Dalton’s atomic theory?
A. All elements are composed of atoms.
B. Atoms of the same element are alike.
C. Atoms are always in motion.
D. Atoms that combine do so in simple whole-number ratios. Weegy:
atomic theorythe theory that each element is composed of tiny, indestructible particles called atoms that are all alike and have the same ... [ Atoms of different elements combine in simple whole-number ratiosAuto answered|Score .6|PrincessMel|Points 10|User:
The quantum mechanical model of the atom
A. is concerned with the probability of finding an electron in a certain position.
B. was proposed by Neils Bohr.
C. defines the exact path of an electron around the nucleus.
D. has many analogies in the visible world.Weegy:
A. is concerned with the probability of finding an electron in a certain position.Auto answered|Score 1|akbest|Points 120|User:
In order to occupy the same orbital, two electrons must have
A. the same direction of spin.
B. low energy.
C. opposite charge.
D. opposite spin.Weegy:
Electrons must have D. opposite spin
]Auto answered|Score 1|MrG|Points 4548|
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