Chemistry Concepts Review

What is the charge of a proton?

• -1

• 0

• +1

• +2

Which subatomic particle is found in the nucleus and has no charge?

• Electron

• Proton

• Neutron

• Positron

What does the atomic number of an element represent?

• Number of neutrons

• Number of protons

• Number of electrons in the outer shell

• Atomic mass

Tags

NGSS.MS-PS1-5

Which element is located in Group 1, Period 2 of the Periodic Table?

• Lithium

• Sodium

• Potassium

• Hydrogen

What is the maximum number of electrons that can occupy the first energy level of an atom?

• 2

• 8

• 18

• 32

Which of the following is a property of isotopes of the same element?

• Same number of protons

• Same number of neutrons

• Different atomic numbers

• Different chemical symbols

Which type of bond involves the sharing of electron pairs between atoms?

• Ionic bond

• Metallic bond

• Covalent bond

• Hydrogen bond

Tags

NGSS.HS-PS1-1

Which group on the Periodic Table contains the noble gases?

• Group 1

• Group 2

• Group 17

• Group 18

• 5

• 6

• 7

• 8