QUIZ - Chemistry 1

FIRST Name:

LAST Name:

Which statement best describes the term, "chemistry."

• Chemistry is the study of the Earth.
• Chemistry is the study of Matter.
• Chemistry is the study of Living Things.

What is the mass reading on this triple beam balance?

• 200.4 g
• 204.2 g
• 242.0 g

What is the mass reading on this triple beam balance?

• 205.9 g
• 290.5 g
• 295.0 g

What does an element's Atomic Number represent?

• the number of positive protons in an atom's nucleus
• the number of neutral electrons orbiting an atom's nucleus
• the number of positive protons PLUS neutral neutrons in an atom's nucleus

What is the center of the atom called?

• orbital
• molecule
• nucleus

Which of the three subatomic particles is the smallest (least massive)?

• Protons
• Neutrons
• Electrons

What is the MASS of the atom in the model below?

• 3
• 7
• 10

How many Protons are in all Gold atoms?

• 79
• 118
• 197