Understanding Atomic Structure

What is the charge of a proton?

• 0 elementary charge

• -1 elementary charge

• +1 elementary charge

• +2 elementary charge

Where are protons located in an atom?

• In the electron cloud

• In the outer shell

• Floating freely in space

• In the nucleus of an atom.

What is the relative mass of a neutron compared to a proton?

• The relative mass of a neutron is approximately equal to that of a proton.

• The relative mass of a neutron is zero compared to a proton.

• The relative mass of a neutron is twice that of a proton.

• The relative mass of a neutron is significantly less than that of a proton.

What is the charge of an electron?

• -1 elementary charge (approximately -1.602 x 10^-19 coulombs)

• -2 elementary charges

• 0 elementary charge

• +1 elementary charge

Where are electrons found in an atom?

• In the neutron cloud surrounding the nucleus.

• In the nucleus of the atom.

• In the protons of the atom.

• In the electron cloud around the nucleus.

What is the relative mass of an electron compared to a proton?

• 1/1836

• 1/1000

• 1/2000

• 1/500

What is the charge of a neutron?

• +1

• +2

• 0

• -1

How do the positions of protons and neutrons compare in an atom?

• Neutrons are found in the outer shell of the atom, while protons are in the nucleus.

• Protons and neutrons are both found in the outer regions of the atom.

• Protons are located in the electron cloud, while neutrons are in the nucleus.

• Protons and neutrons are both found in the nucleus of an atom.

What is the relative mass of a neutron compared to an electron?

• A neutron is 100 times more massive than an electron.

• A neutron has the same mass as an electron.

• A neutron is approximately 1836 times more massive than an electron.

• A neutron is lighter than an electron.

What is the overall charge of an atom with equal protons and electrons?

• Neutral

• Ionized

• Positive

• Negative