8th grade semester 1 final review

What is contained in the nucleus of an atom?

• Protons only

• Electrons only

• Electrons and Protons

• Protons and Neutrons

What is contained in the area surrounding the nucleus of an atom?

• Protons only

• Electrons only

• Electrons and Protons

• Protons and Neutrons

What does the atomic number of a neutral atom tell you?

• The number of neutrons in an atom.

• The number of protons in an atom.

• The total number of protons and neutrons in an atom.

• The total number of electrons and neutrons in an atom.

What does the atomic mass of a neutral atom tell you?

• The number of neutrons in an atom.

• The number of protons in an atom.

• The total number of protons and neutrons in an atom.

• The total number of electrons and neutrons in an atom.

What is the name given to protons, electrons, and neutrons?

• Atomic Particles

• Atomic Pieces

• Subatomic Particles

• Subatomic Pieces

A neutral atom of Chlorine (Cl) has an atomic number of 17 and an atomic mass of 35. How many electrons does Chlorine (Cl) contain?

• 17

• 18

• 35

• 52

What determines the identity and properties of an atom?

• Protons

• Electrons

• Neutrons

• All of the above

Matter is anything that has mass and takes up space. Which of the following are not matter?

• A slice of pizza

• Light waves from a lamp

• The air you breathe

• The clothes you wear

Which of the following would be an example of a chemical property?

• Color

• Texture

• Hardness

• Toxicity

Which of the following would be an example of a physical property?

• Volume

• Flammability

• Ability to rust

• Combustibility