Atomic Structure and Periodic Table Worksheet

Which of the following correctly describes the charge and location of a proton?

• Positive, located in the nucleus

• Negative, located in the nucleus

• Positive, located outside the nucleus

• Negative, located outside the nucleus

What is the charge of an electron?

• Positive

• Negative

• Neutral

• None of the above

Tags

NGSS.MS-PS2-5

Where are neutrons located in an atom?

• In the electron cloud

• In the nucleus

• Orbiting the nucleus

• In the outer shell

Which subatomic particle has no charge?

• Proton

• Electron

• Neutron

• Ion

The atomic number of an element represents the number of:

• Neutrons

• Electrons

• Protons

• Neutrons and protons combined

Which of the following is true about isotopes of the same element?

• They have the same number of protons and neutrons

• They have the same number of protons but different numbers of neutrons

• They have different numbers of protons and neutrons

• They have different numbers of electrons

What does the atomic mass of an element represent?

• The number of protons in the atom

• The number of neutrons in the atom

• The average mass of all isotopes of the element

• The number of electrons in the atom

Where is an element’s atomic number found on the periodic table?

• Below the element's symbol

• Above the element's symbol

• To the left of the element's symbol

• To the right of the element's symbol

The ground state electron configuration for carbon (atomic number 6) is:

• 1s² 2s² 2p²

• 1s² 2s² 2p⁶

• 2s² 2p⁶

• 1s² 2s¹ 2p³

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is true about the electron configuration of noble gases?

• They have a full outer electron shell

• They have only one electron in their outer shell

• They have no electrons in their outer shell

• They are highly reactive with metals