1st Semester Chemistry exam

Freezing

• Solid to gas
• Liquid to solid
• Gas to solid
• Liquid to gas

Tags

NGSS.MS-PS1-4

What are the states of matter?

• solid, liquid, and juice
• solid and liquid
• solid and gas
• solid, liquid, and gas

Which state of matter has tightly packed molecules?

• solid
• liquid
• gas

Tags

NGSS.5-PS1-1

Boiling water

• Chemical Change

• Physical Change

Is a a rusting bicycle a chemical or physical change?

• chemcial

• physical

Is bleaching your hair a physical or chemical change?

• physical

• chemical

In the modern periodic table elements are arranged by:

• atomic mass

• atomic number

• valence electrons

• number of isotopes

The atomic number tells you what?

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

The atoms along the jagged line are called

• metals

• nonmetals

• metalloids

• noble gases

Which element serves as the electronegativity anchor?

• He

• Cs

• F

• Au