State Science Test Review

Which sentence about the periodic table of elements is true?

• All elements in period 2 are metals

• All elements in group 18 are metals

• Metals are found on the left side of the periodic table

• Metals are found on the right side of periodic table

Which class of elements BEST conducts electricity

• Metals

• Nonmetals

• Semimetals

• Noble or Inert Gases

What is the atomic mass for silicon?

• 14.0

• 14.1

• 28.1

• 42.1

Which pure substance is composed of more than one element?

• Carbon

• Water

• Gold

• Sodium

Which of the following is found farthest from the center of an atom?

• Nucleus

• Proton

• Neutron

• Electron

This ice cube is melting because it has

• Cooled

• Warmed

• Hardened

• Evaporated

Which of the following materials would probably be used as a conductor of electric of electric current in a computer chip?

• Glass

• Rubber

• Gold

• Plastic

Which is an example of an element?

• Air

• Lead

• Salt

Which of the following is the most important factor in determining an element's place in the periodic table?

• Number of protons

• Number of neutrons

• Atomic charge

• Atomic density

What are the 3 major types of rocks?

• Igneous, Metamorphic, Sedimentary
• Metamorphic, Igneous, Cementation
• Brown, Red, Gray
• Streak, Hardness, Breakage