Semester 2 Review

Which of the following describes a property of nonmetals?

• Shiny

• High melting points

• Dull (not shiny)

• Malleable

What is the main reason valence electrons are important in chemistry?

• They determine the color of the element

• They form charges/bonds between atoms

• They are found in the nucleus

• They are always paired

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which process is more likely to produce long-lived radioactive waste?

• Fission

• Fusion

• Both fission and fusion

• Neither fission nor fusion

Tags

NGSS.HS-PS1-8

Which process is more likely to be used in future clean energy sources?

• Fission

• Fusion

• Both fission and fusion

• Neither fission nor fusion

Tags

NGSS.HS-PS1-8

Covalent bonds involve a nonmetal bonding to a ______.

• Nonmetal

• Metal

• Noble gas

• Metalloid

Covalent bonding is when atoms ______ electrons between each other.

• Share

• Lose

• Gain

• Transfer

Which type of radiation is used to sterilize medical equipment?

• Gamma

• Alpha

• Beta

• Neutron

Which type of bond is formed between a metal and a nonmetal?

• Ionic bond

• Covalent bond

• Hydrogen bond

• Metallic bond

What is a property of ionic bonds?

• High melting point

• Low melting point

• Weak

• Share electrons

Tags

NGSS.HS-PS1-3

What do atoms seek to achieve by bonding?

• A filled outer shell of 8 valence electrons

• A filled inner shell of 2 electrons

• A filled nucleus

• A filled shell of 10 electrons