BrainPOP - Chemical bonds

If an atom has no charge, which of the following must be true?

• It has more neutrons than protons or electrons

• There are only neutrons inside the atom

• Its number of protons is equal to its number of electrons

• The neutrons in the atom outnumber the electrons and protons

Tags

NGSS.MS-PS1-1

Based on what you know about atomic structure, what can you infer about the word "nuclear?"

• It relates to protons and neutrons

• It relates to electrons

• It relates to neutrons only

• It relates to ions only

Tags

NGSS.HS-PS1-8

Which of these is an ion?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-2

An atom with 10 electrons must have how many shells?

• 1

• 2

• 8

• 10

Tags

NGSS.HS-PS1-1

Which of the following atoms is most likely to bond with another atom?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

An atom has 15 total electrons. How many electrons does it have in its outer shell?

• Three

• Four

• Five

• Six

Tags

NGSS.HS-PS1-1

The relationship between the number of electrons in an atom's outer shell and the atom's tendency to bond is called the octet rule. What can you infer about the meaning of "octet?"

• It refers to negative charges

• It refers to sets of eight

• It refers to explosive substances

• It refers to different states of matter

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Atom A has seven electrons in its outer shell. Atom B has one electron in its outer shell. They react and bond. Now both atoms have eight electrons in their outer shells. What kind of bond has formed?

• Covalent

• Ionic

• Metallic

• Electron

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Atoms with 20 protons has how many valence electrons?

• 8

• 10

• 2

• 1

Tags

NGSS.HS-PS1-1

Atom have three energy shells and 3 valence electrons, which atomic number is it?

• 3

• 13

• 11

• 18

Tags

NGSS.HS-PS1-1