Unit 2 Test: Integrated

What is the charge of a proton?

• +1

• 0

• -1

• +2

Where are neutrons located in an atom?

• Orbiting the nucleus

• In the nucleus

• In the electron cloud

• In the outer shell

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

• 1/1836 of a proton

• 1 amu

• Equal to a proton

• 1/2 of a proton

What does the atomic number of an element represent?

• Number of neutrons

• Number of electrons

• Number of protons

• Atomic mass

How do you calculate the number of neutrons in an atom?

• Atomic Number + Atomic Mass

• Atomic Number x 2

• Atomic Mass - Atomic Number

• Number of Protons + Electrons

What is an isotope?

• An atom with more electrons than protons

• An atom with the same number of protons but different neutrons

• An atom with no neutrons

• An atom with a different number of protons

In a neutral atom, the number of electrons is equal to the number of:

• Atomic mass

• Neutrons

• Protons

• Isotopes

What is the atomic mass of an atom?

• The number of neutrons

• The number of protons

• The number of electrons

• The sum of protons and neutrons

Which subatomic particle is not found in the nucleus of an atom?

• Proton

• Neutron

• Electron

• All of the above are found in the nucleus

What does the atomic number of an element represent?

• The number of protons in the nucleus

• The number of neutrons in the nucleus

• The total number of protons and neutrons in the nucleus

• The total number of protons and electrons in an atom