Ch. 11 Elements and Chemical Bonds

How many valence electrons does sodium have?

• 1

• 2

• 8

• 11

Tags

NGSS.MS-PS1-1

What does the nucleus of an atom contain?

• protons and electrons

• protons and neutrons

• electrons and neutrons

• protons, neutrons and electrons

What is represented by the dots in an electron dot diagram?

• the number of atoms sharing an electron

• the total number of electrons in an atom

• 1. the number of valence electrons in an atom

  
  

• the number of electrons circling a nucleus

Tags

NGSS.HS-PS1-1

Which element is the most chemically stable?

• beryllium

• nitrogen

• carbon

• neon

What is the term for matter that is made up of two or more different kinds of atoms joined by chemical bonds?

• element

• compound

• metal

• noble gas

Tags

NGSS.MS-PS1-1