S1 Final Review (Chem)

Which of the following statements is correct about electrons in neutral atoms?

Select all that apply.

• Electrons are negatively charged particles.

• Electrons are located in the nucleus of an atom.

• Electrons have significantly less mass than protons and neutrons.

• Electrons orbit the nucleus in energy levels or shells.

• Electrons are equal to the atomic number of an element.

Which of the following statements is correct about protons in neutral atoms?

Select all that apply.

• Protons are positively charged particles.

• Protons are found in the nucleus of an atom.

• Protons determine the atomic number of an element.

• Protons have a mass equal to electrons.

• Protons and neutrons make up the atomic mass of an atom.

Which of the following statements is correct about neutrons in a neutral atom?

Select all that apply.

• Neutrons are electrically neutral particles.

• Neutrons are found in the nucleus of an atom.

• Neutrons determine the atomic number of an element.

• Neutrons have a mass equal to protons.

• Neutrons contribute to the atom's overall mass.

Structure A is...

• Protons

• Neutrons

• Electrons

• Energy Levels

• Nucleus

Structure B is...

• Protons

• Neutrons

• Electrons

• Energy Levels

• Nucleus

Structure C is...

• Protons

• Neutrons

• Electrons

• Energy Levels

• Nucleus

Structure D is...

• Protons

• Neutrons

• Electrons

• Energy Levels

• Nucleus

Structure E is...

• Protons

• Neutrons

• Electrons

• Energy Levels

• Nucleus

How are valence electrons different from other electrons?

Select all that apply.

• Valence electrons are located in the outermost energy level of an atom.

• Valence electrons are responsible for chemical bonding.

• Valence electrons are located in the atom's innermost energy level.

• Valence electrons are found in the nucleus of an atom.

• Valence electrons can be gained, lost, or shared .

Which of the following statements is incorrect about the diagram?

• Structure C represents a neutron, which is neutral and does not affect the atomic number.

• Structure C represents an electron, which is negatively charged and does not affect the atomic number.

• Structure C is a proton, which has a negative charge. The number of protons determine the atomic number.

• Structure C is an electron, which has a neutral charge. The number of electrons does determine the atomic number