Questions LLC
Login
or
Sign Up
Ask a New Question
Atomic Theory
Page 3
Questions (183)
How did dalton discover the atom?
2 answers
asked by
adrian
1,032 views
Daltons idea that atoms cannot be divided into smaller parts was was disproved by the discovery of______?
The description of the
3 answers
asked by
Summer Moriarty
1,030 views
how did the discovery of the electron change the atomic model? A.it disproved the earlier idea of an indivisible atom. B. it
11 answers
asked by
guhklg
1,040 views
What is the unit m^-1?
The question I'm working on says "an electron in the hydrogen atom makes a transition from an energy state
2 answers
asked by
Quinn
1,030 views
Modern atomic theory states that the atom is a diffuse cloud surrounding a small, dense nucleus. Most of the mass of the atom is
1 answer
asked anonymously
61 views
Calculate the energy (in kJ/mol) required to remove the electron in the ground state for each of the following one-electron
2 answers
asked by
Sarah
895 views
Write extensively on John Dalton atomic theory
1 answer
asked by
Oluwademilade
32 views
Write four !modification of John Dalton atomic theory
1 answer
asked by
Oluwademilade
37 views
Write four modification of John Dalton atomic theory
1 answer
asked by
Oluwademilade
41 views
Atomic Theory is
A. subject to change if new information is discovered*** B. a solution to the problem of differing isotopes. C.
2 answers
asked by
Helppp
863 views
Match the scientist to his contribution to the atomic theory.
Match Term Definition J.J. Thomson A) Atoms indivisible John Dalton
1 answer
asked anonymously
68 views
In the Bohr theory of the hydrogen atom, an electron moves in a circular orbit about a proton, where the radius of the orbit is
2 answers
asked by
suhani
866 views
Calculate the energy difference for the transition of n=6 to n=2 for 1.00 mol of hydrogen atom?
1 answer
asked by
gega
841 views
explain the key concepts of atomic theory and potential uses.
Help please and thank you :D
2 answers
asked by
URGENT
837 views
Which of the answers choices best describes John Dalton's contribution to atomic theory?
he discovered to nucleus he gave future
7 answers
asked by
lydia
3,201 views
According to the Bohr theory of the hydrogen atom, what is the minimum energy (in J) needed to ionize a hydrogen atom from the n
3 answers
asked by
ryan
787 views
What was the main difference between Dalton's model of the atom and the model that was first developed by the Greeks?
1 answer
asked by
Kim
786 views
When an electron jumps from the 4th orbit to the 2nd orbit which series line does it get?
3 answers
asked by
its urgent!!!!!!!!!!
771 views
which pairing below does not correctly match the scientist with the contribution to the understanding of the atom
A. Proust and
2 answers
asked by
Emiko
733 views
What parts of Dalton’s atomic theory no longer agree with the current picture of the current picture of the atom? Provide an
2 answers
asked by
Ally
736 views
Which of the following summarizes Rutherford's model of the atom?
Choose one answer. a. Electrons are embedded in a positive
2 answers
asked by
ashley --- HELP PLEASEE!!!
722 views
Who was One of the first people to state that matter is made up of atoms was
A. Democritus B. Rutherford C. dalton D. Aristotle
2 answers
asked by
juliana
699 views
Which of the following is correct according to Rutherford's atom model?
Choose one answer. a. Atomic spectra should be line
1 answer
asked by
ashley --- HELP PLEASEE!!!
680 views
Explain the most important reason why we have attempted to create a model of the atom and more specifically,
why it was so
11 answers
asked by
Clueless
653 views
rutherford =
an atom is mostly empty space with a dense positively charged nucleus in the center do you agree
2 answers
asked by
sam
632 views
Back to the atomic emmission spectrum and the atomic theory.
in the 1900s, scientists observed that when a gaseous element, such
2 answers
asked by
lulu
641 views
10. Avogadro's number can be used to find the number of atoms in an element.- T
12. A photon is a quantum of light energy.- T 17.
2 answers
asked by
mysterychicken
614 views
When was the idea of the atom first introduced?
wasnt it around 450 B.C.. Some claim Demotricus introduced it, as the "atomos",
1 answer
asked by
pop
598 views
an atom is the smallest piece of matter
which model does this describe Democrtius dalton Rutherford Thompson Bohr Wave Model
2 answers
asked by
sam
588 views
I have to fill in the blank
with the a term, short phrase or number The Blank describes the sequence in which orbitals are
1 answer
asked by
Bryan
562 views
Which of the following was explained by the
Bohr atom? 1. atomic spectra 2. the fact that most of the mass of an atom is in the
2 answers
asked by
Andrew
533 views
Ok, let's use the following information to very roughly estimate the size of the nucleus. Rutherford, Geiger, and Marsden (his
2 answers
asked by
Anonymous
529 views
Why is the helium spectrum have so many more lines than the hydrogen spectrum?
2 answers
asked by
hewitt
530 views
I choose these 3 as dalton
atoms of same element are exactly alike atoms are invinsible atoms are smallest piece of matter
2 answers
asked by
sam
529 views
The atoms in a gas can be treated as classical particles if their De Broglie wavelength is much smaller than the aveage
2 answers
asked by
Little Miss X
522 views
5. John Dalton proposed that all matter is made of atoms.
True False I think that its false.
3 answers
asked by
Jman
508 views
Was Daniel Bernoulli for the atomic theory or against it and explain why?
4 answers
asked by
Ali
475 views
the idea of the atom was first proposed by john dalton. true or false
false
2 answers
asked by
drew
479 views
What can be inferred after performing the experiments in the Atomic Theory lab?
2 answers
asked by
fred
481 views
Does every neutral helium atom in the universe have the same set of absorption lines as every other neutral helium atom (with
1 answer
asked by
Jamie
483 views
For atoms that contain more than one electron, the Pauli Exclusion Principle states that: (A)the most stable arrangement of
1 answer
asked by
Tina
474 views
Democritus- example and picture
is it an atom and a picture of a atoms that she wants?? Did he rely on experimental evidence to
4 answers
asked by
anonymous
469 views
When did these scientists make their contributions ? The years
Democritus believes that the universe was made of tiny uncuttable
1 answer
asked by
Jessica
483 views
Could anybody simply explain how exactly Joseph Thomson discovered that atoms were not "indivisible" and that they were actually
1 answer
asked by
Maddie
456 views
Why an atom is electrically neutral ?
1 answer
asked by
Haseeb raja
456 views
Why are the shells in which electrons revolve called energy levels
1 answer
asked by
khushi
442 views
Are these correct for Democritius
Help so confused - I read site and still trying to figure out. atoms of same element are
1 answer
asked by
sam
464 views
Right.
So, I've been putting this question off from my review... I just attacked it with google to no avail. My books have been
1 answer
asked by
Mary
435 views
Hi I was wondering if somebody could help me with this question?
According to the Bohr model, what determines the color of light
1 answer
asked by
Isabel
458 views
Why are the atomic masses of elements usually decimal numbers?
3 answers
asked by
Ciaria
439 views
Pages
1
2
3
4
Parent Categories (8)
Atomic Structure
Chemistry
Physics
Quantum Mechanics
Science
Science and Physics
Scientists
Scientists and their contributions