Atomic Structure Review

What is the charge of neutrons?

• Positive

• Negative

• Neutral

• Variable

What are the 3 subatomic particles that make up the atom?

• Protons, neutrons, and electrons.

• Protons, electrons, and positrons.

• Neutrons, electrons, and neutrinos.

• Protons, muons, and quarks.

How many protons does indium have?

• 45

• 47

• 49

• 51

What is the charge of electrons?

• Positive

• Neutral

• Negative

• Variable

To find the number of neutrons in an atom, you _____________.

• Add the atomic number to the atomic mass.

• Multiply the atomic number by the atomic mass.

• Subtract the atomic number from the atomic mass.

• Divide the atomic mass by the atomic number.

What is the atomic number of an element?

• The number of protons in the nucleus of an atom.

• The total number of electrons in an atom.

• The number of neutrons in the nucleus of an atom.

• The mass of the atom in atomic mass units.

Subatomic particles with a negative charge are called _____________.

• Protons

• Neutrons

• Electrons

• Positrons

What is the significance of the periodic table?

• It organizes elements based on their atomic number and properties.

• It lists all known compounds in chemistry.

• It provides a visual representation of chemical reactions.

• It categorizes elements by their color and size.

Where are electrons located in an atom?

• In the nucleus of the atom.

• In the electron cloud surrounding the nucleus.

• In the protons of the atom.

• In the neutron shell of the atom.

What is the charge of protons?

• Negative

• Neutral

• Positive

• Variable