Covalent and more!

Protons have a charge of:

• -1
• +1
• -2
• +2

Electrons have a charge of:

• -1
• -2
• +1
• +2

Tags

NGSS.HS-PS2-4

Most atoms have no net charge because they have....

• an equal number of charged and non-charged particles
• neutrons in their nuclei
• an equal number of electrons and protons
• an equal number of neutrons and protons

If a you saw the following, K+; what does it tell you about the  the ion.

• it has lost one electron 
• it has lost one proton 
• it has lost two electrons 
• it is a negative ion 

Tags

NGSS.HS-PS1-1

In a covalent bond, one or more electrons are? 

• shared 
• lost 
• gained 
• transferred 

Tags

NGSS.MS-PS1-1

Which of these are an ion?

• 3 protons, 3 neutrons, 3 electrons.

• 8 protons, 8 neutrons, 8 electrons

• 2 protons, 3 neutrons, 2 electrons

• 6 protons, 6 neutrons, 7 electrons

Tags

NGSS.HS-PS1-1

Covalent compounds

• Share electrons
• transfer electrons
• None
• conduct electricity

Tags

NGSS.HS-PS1-2

What is an atom or group of atoms that has an electric charge?

• ion
• metal
• nonmetal
• ionic compound

Tags

NGSS.MS-PS2-3

How many valence electrons does nitrogen have?

• 3
• 2
• 5
• 1

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

What is it called if there are three-pairs of electrons being shared?

• Triple Bond

• Three Single Bonds

• Tribond

• Double and Single Bond Combo