PHS Science Bowl - Chemistry M1- M3 (2023)

How did Mendeleev arrange the elements?

• alphabetical 
• density
• melting point
• atomic mass

The horizontal row on the periodic table is called a

• group
• family
• period
• atomic number

A vertical column is called...

• group
• tower
• period
• crew

What is the state of matter in which particles are tightly packed and have fixed positions?

• Gas

• Liquid

• Solid

• Plasma

Which of the following is the most metallic element in period 3?

• Boron (B)
• Sodium (Na)
• Argon (Ar)
• Silicon (Si)

What is the process used to separate mixtures into their individual components

• chromatography

• evaporation

• distillation

• crystallization

The number at the bottom of each square on the periodic table is the ...

• atomic number
• atomic mass
• chemical symbol
• element name

What is the process called when a solid turns directly into a gas without first becoming a liquid?

• Evaporation

• Sublimation

• Melting

• Deposition

Which of the following is a noble gas?

• Oxygen

• Helium

• Carbon

• Nitrogen

What is the name of the following compound: NaCl

• sodium chloride

• sodium (I) chloride

• sodium chlorine

• sodium (I) chlorine