Question | Answer |
He imagined atoms as tiny soiled balls. | Dalton |
He suggested that an atom is a positively charged sphere. | Thomson |
The atom is mostly empty space with electrons orbiting it. | Rutherford |
A cloud like model with electron orbiting the nucleus. | Modern |
The electrons move in lays or rows. | Bohr |
He discovered the neutron. | Chadwick |
He believed that different elements have different mass. | Dalton |
He said electrons give off energy when move from shell to shell. | Bohr |
all atoms of an element are alike. | Thomson |
He said electrons orbit randomly and the nucleus is positively charge. | Rutherford |
what is not part of the atom. | A:protons B: neutron C: molecules D: electrons
C |
A ____ is a positively charged particule. | Proton |
What is the central core of an atom. | nucleus |
A ___ carries a negatively charged particle. | electron |
The mass of an atom comes from the? | nucles |
The particle of an atom the has no electrical charge. | neutron |
What particle takes up the volume of a atom. | electron |
Quakers are the particles inside protons and neutrons. | True |
The word atom comes from the greek word uncuttable. | True |
An unknown fore holdes the quakers together. | False |