Week 23 Vocabulary (Atoms)

What is the definition of an atom?

• The parts of an atom including protons, neutrons, and electrons

• The smallest particle of a substance that has all the same properties of the substance

• The area around the nucleus of an atom where the electrons are located

• The center of an atom, made of protons and neutrons

What are the subatomic particles of an atom?

• The area around the nucleus of an atom where the electrons are located

• Protons, Neutrons, and Electrons

• The smallest particle of a substance that has all the same properties of the substance

• The center of an atom, made of protons and neutrons

What is the atomic number of an element?

• The parts of an atom including protons, neutrons, and electrons

• The center of an atom, made of protons and neutrons

• The decimal number of the element cube representing the average number of protons & neutrons

• The whole number in the element cube representing the number of protons in the atom

What is the atomic mass of an element?

• The smallest particle of a substance that has all the same properties of the substance

• The area around the nucleus of an atom where the electrons are located

• The whole number in the element cube representing the number of protons in the atom

• The decimal number of the element cube representing the average number of protons & neutrons

What is the nucleus of an atom made of?

• The area around the nucleus of an atom where the electrons are located

• The smallest particle of a substance that has all the same properties of the substance

• The parts of an atom including protons, neutrons, and electrons

• Protons and Neutrons

What is the electron cloud of an atom?

• The area around the nucleus of an atom where the electrons are located

• The whole number in the element cube representing the number of protons in the atom

• The decimal number of the element cube representing the average number of protons & neutrons

• The center of an atom, made of protons and neutrons

What is another name for the electron cloud?

• Energy Levels

• Nucleus

• Electron shell

• Orbitals

Electrons have a _____ charge.

• neutral

• negative

• positive

• both positive and negative

The positively charged particles of an atom are the ________.

• electrons
• protons
• neutrons
• protons & neutrons

__________ are negatively charged particles that are in the orbitals around the nucleus.

• protons

• nucleus

• neutrons

• electrons