Review on Chem

Labeling

Label this atom's particles.

Drag labels to their correct position on the image

Electrons

Nucleus

Protons

Neutrons

Multiple Choice

Which of the following best describes a chemical compound?

• A pure substance made of only one type of atom

• A mix of atoms that are not chemically bonded

• A substance made of two or more types of atoms that are chemically bonded

• A substance that can be physically separated into simpler substances

Multiple Select

Which of the following statements are true about ionic and covalent bonds?

• Ionic bonds involve the transfer of electrons

• Covalent bonds involve the sharing of electrons

• Ionic bonds are formed between atoms with similar electronegativities

• Covalent bonds are formed when electrons are transferred

Fill in the Blanks

A substance that increases the concentration of hydrogen ions (H+) in water is called an

.

Open Ended

Do you have any questions about acids, bases, or the pH scale, or would you like to know more about how these concepts apply to everyday life?