what conclusion did Rutherford draw about the position and characteristics of the atoms positively charged part based on the few alpha particle that bounced back or were deflected at large angle in gold foil experiment

Question : Rutherford's  scattering experiment proved the presence of

Option 1: Atoms in all matter

Option 2: electrons in atoms

Option 3: neutrons in atoms

Option 4: nucleus in atoms

Question : Identify the correct statement concerning unsaturated hydrocarbons.

Option 1: Compounds of carbon having a single bond between their carbon atoms are called unsaturated compounds.

Option 2: Compounds of carbon having double bonds or triple bonds between their carbon atoms are called unsaturated compounds.

Option 3: Compounds of carbon having single bonds between their oxygen atoms are called unsaturated compounds.

Option 4: Compounds of carbon having double or triple bonds between their hydrogen atoms are called unsaturated compounds.

Question : Directions: Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
Statements:
No atom is a molecule.
No molecule is an element.
Conclusions:
I. It is possible for some atoms to be elements.
II. Some elements are molecules.

Option 1: Only conclusion I follows

Option 2: Both conclusions I and II follow

Option 3: Only conclusion II follows

Option 4: Neither conclusion I nor II follows

Question : In which region of the electromagnetic spectrum does the Lyman series of hydrogen atoms lie?

Option 1: Visible

Option 2: Infrared

Option 3: Ultraviolet

Option 4: X-ray

Question : When a bond is formed between two atoms, the energy of the system will

Option 1: increase

Option 2: decrease

Option 3: remains the same

Option 4: may increase or decrease