Science Questions. Atoms.?

Question

1. the modern atomic model is based on the principles of ?

2. Greek philosophers who studied the smallest particles of matter were called ?

3.The atomic theory of matter was developed by ?

4.The positivly charged particles in the nucleus of an atom is the?

5. The passage of an electric current through a gas was used by J.J Thomson in experiments that led to the discovery of the ?

6. The nucleus of the atom was first discovered by ?

7. The theroy that electrons are located in specific energy levels was first proposed by ?

8. The --- is the center of an atom.

9. atoms of the same element that have the same number of protons but differeing numbers of neutrons are called ---.

10. The subatomic particle that is neutral is the ---.

11. A (An) --- is a negitivly charged particle.

12. According to modern atomic theory, --- can move from one energy level to another.

can you answer any of these ?

thanks :)

Answer 1

1. ??
2. ??
3. John Dalton
4. Proton
5. Electron
6. Ernest Rutherford
7. Neils Bohr
8. Nucleus
9. Isotopes
10. Neutron
11. Electron
12. Electrons

Answer 2

nicely you're searching at in basic terms straight forward atoms of count. Protons are certainly charged debris, the quantity of protons an atom has determines the variety of atom itself. for example one proton is hydrogen, six protons is for carbon, etc. The neutrons are haven't any value in an atom, and help stabilize the atom. remember like prices repel eachother, neutrons carry the protons collectively. They both have almost an same mass. finally electrons have a adverse value and flow round atoms in unpredictable procedures. The closer the range of electrons there are in an atom to protons, the added impartial it really is. An atom is impartial even as there are 8 valence electrons interior the outer shell except fir helium with in basic terms 2. remember, that's in basic terms your straight forward grade 9 stuff, not the actuality i comprehend.

Answer 3

Try Epicureans for #2. However, look at the first couple of sentences of that link for a couple of alternative possibilities.

Answer 4

I think number 2 is atomists