Science Quiz: Atoms, Reactions, and Motion

What particle has a negative charge?

• Proton

• Neutron

• Electron

• Atom

Tags

NGSS.MS-PS2-3

The number of protons in an atom is known as the:

• Atomic mass

• Atomic number

• Mass number

• Valence number

Neutrons are:

• Positively charged

• Negatively charged

• Neutral

• Found outside the nucleus

The modern periodic table is organized by:

• Atomic mass

• Atomic number

• Number of neutrons

• Color

What is found in the center of an atom?

• Electrons

• Ions

• Molecules

• Nucleus

Which element is in Group 1 and Period 2?

• Hydrogen

• Lithium

• Sodium

• Helium

Which of the following is a halogen?

• Argon

• Chlorine

• Potassium

• Magnesium

Which element is a metalloid?

• Iron

• Silicon

• Neon

• Helium

Metals are typically:

• Dull and brittle

• Gases

• Good conductors

• Found in Group 18

The rows on the periodic table are called:

• Families

• Groups

• Periods

• Clusters