STAAR Review - Atoms & Periodic Table

Which of the particles in the chart is a neutron?

• Particle A

• Particle B

• Particle C

• Particle A and B

Which list of characteristics best describe the properties of neon, argon, and krypton?

• Conducts heat and electricity, shiny, and solid

• Brittle metalloids, reactive with oxygen, and melt at low temperatures

• Gaseous at room temperature and chemically stable

• Magnetic, highly reactive, and flammable

Tags

NGSS.MS-PS1-1

An atom of which element is represented by the model below?

• Carbon

• Boron

• Lithium

• Oxygen

Tags

NGSS.MS-PS1-1

The table shows the properties of three classifications of elements. What are the best headings for columns A, B, and C?

• Metals, Nonmetals, Metalloids

• Nonmetals, Metalloids, Metals

• Metals, Metalloids, Nonmetals

• Nonmetals, Metals, Metalloids

All of these properties describe metals EXCEPT?

• Malleable

• Conductor

• Brittle

• Shiny

Which particles would you find in the nucleus of an atom?

• Protons and Neutrons

• Electrons and Neutrons

• Electrons only

• Electrons and Protons

Tags

NGSS.MS-PS1-1

Molybdenum has an atomic number of 42. This means that molybdenum?

• Has a freezing point of 42^oF

• Belongs to group 42

• Can form 42 bonds with other atoms

• Contains 42 protons in its nucleus

Tags

NGSS.HS-PS1-1

Each column in the periodic table is called a 

• period
• group
• cluster
• unit

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in an atom.

In the modern periodic table elements are arranged by:

• atomic mass
• atomic number
• valence electrons
• number of isotopes