Lankford Science Study Guide Quiz

What are isotopes?

• Different elements with the same number of electrons

• Same element with a different amount of electrons

• Same element with a different amount of neutrons

• Different elements with the same number of electrons

Substances made of one type of atom are called:

• Elements

• Nucleus

• Molecule

• Compound

Which of these is a heterogenous mixture?

• Lucky Charms

• Mountain Dew

• Fanta

• Coca - Cola

What is the area around the nucleus that electrons are likely to be found?

• Electron Cloud

• Electron Orbits

• Electron Rings

• Electron Circles

What are tiny particles that make up portons and neutrons

• Electrons

• Neutrons

• Protons

• Quarks

The mass number or atomic mass is:

• The number of protons + the number of electrons

• The number of protons - the number of electrons

• The number of protons + the number of neutrons

• The number of protons - the number of neutrons

Ions form bonds because atoms either gain or lose:

• Electrons

• Protons

• Neutrons

• Quarks

An elements atomic number is the number of:

• Protons

• Electrons

• Neutrons

• Protons + Neutrons

Rows on the periodic table are referred to as:

• Elements

• Periods

• Groups

• Metals

Iron rusting is a example of what type of change..?

• Physical

• Chemical