Atoms, Elements & Their Chemical Reactions

What is the name for the subatomic particle in an atom that is found in the last orbital and is responsible for chemical bonding?

• Balance Protons

• Valence Neutrons

• Valence Electrons

• Balance Electrons

• Valence Protons

Which picture below correctly displays the electrons in the element, Boron, in their correct orbitals?

• A

• B

• C

• D

• None of them are correct

In an atom, which subatomic particle has no charge?

• Protons

• Neutrons

• Electrons

• Valence Electrons

• Balance Neutrons

Elements are pure substances that are made up of one kind of ______.

• Electron

• Proton

• Atom

• Neutron

• Metal

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

• protons, neutrons, and isotopes
• neutrons, isotopes, and electrons
• positives, negatives, and electrons
• protons, neutrons, and electrons

How many hydrogen atoms are in the compound below?

• 1

• 2

• 4

• 8

• None of the answers are correct

What type of bond occurs between the elements in the compound below?

• Hydrogen Bond

• Hydration Bond

• Ionic Bond

• Metallic Bond

• Covalent Bond

What subatomic particle(s) is/are found in the nucleus of an atom? (select ALL that apply)

• Electrons

• Protons

• Valence Electrons

• Isotope

• Neutrons

Which of the following is an unbalanced equation?

• A

• B

• C

• D

Balance the following equation.

• it is already balanced

• 2, 1, 3

• 1, 2, 3

• 1, 3, 2

• 2, 3, 1