Question 3 (5 points) (02.01 MC)
Which of the following observations indicates that an atom has neutrons? (5 points)

Some uncharged particles are scattered by a beryllium atom when it hits a gold foil.

Some uncharged particles bounce back from a gold foil when it is bombarded with alpha particles.
A radiation with neutral particles is emitted when alpha particles strike beryllium atoms.

A radiation which attracts electrons is produced when a beryllium atom is bombarded with alpha particles.

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.

What is the chemical name of the compound ti2o3?

Type the letter that represents the correct location for each particle type below. the neutron is found at __ the electron is found at __ the proton is found at __