Day 1 STAAR® Blitz Warm-Up: Chemistry I

LAST Name

FIRST Name

Class Period

• 1
• 2
• 3
• 4
• 5

Large particles found in the nucleus with a neutral charge

• Electrons
• Neutrons
• Nucleus
• Protons
• Valence Electrons

Negative particles on outermost energy level, determines reactivity

• Electrons
• Neutrons
• Nucleus
• Protons
• Valence Electrons

Contains most of the atom’s mass; has an overall positive charge

• Electrons
• Neutrons
• Nucleus
• Protons
• Valence Electrons

Large particles found in the nucleus with a positive charge; determines identity

• Electrons
• Neutrons
• Nucleus
• Protons
• Valence Electrons

Small particles found outside the nucleus in the cloud with a negative charge

• Electrons
• Neutrons
• Nucleus
• Protons
• Valence Electrons

This question has two parts. Part A Name an element that chemically reacts like the element pictured.

• Silicon
• Nitrogen
• Gallium
• Zinc

Part B Which statement supports the answer to Part A?

• Both elements have two energy levels.
• Both elements have the same mass number.
• Both elements have the same number of neutrons.
• Both elements have three valence electrons.