chemical bonds and atoms

What kind of bond forms between two nonmetals?

• ionic 
• covalent
• metallic
• fake

Covalent bonds are between...

• two or more nonmetals
• sodium and chlorine
• metals and metals
• metals and nonmetals

Tags

NGSS.MS-PS1-1

What is a valence electron?

• an electron that is found in the outermost shell of an atom. 
• an electron found in the innermost shell of an atom.
• an electron found in the middle shell.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the number of valence electrons for Oxygen?

• 8
• 6
• 2
• 1

Tags

NGSS.HS-PS1-1

How many valence electrons in this structure?

• 6
• 5
• 4
• 7

Tags

NGSS.MS-PS1-1

Chemical bonds form when atoms

• combined nuclei
• give up neutrons
• gain protons
• share or transfer electrons

__________________ are created from atoms making connections with other atoms

• Molecule

• Chemical Bonds

• Atomic Composition

• Chemical Structure

Tags

NGSS.MS-PS1-1

What is the arrow pointing to?

• Atom

• Molecule

• Chemical Bond

• Element

Tags

NGSS.MS-PS1-1

__________________ is the types and numbers of elements that make up a substance.

• Molecule

• Chemical Bonds

• Atomic Composition

• Chemical Structure

Tags

NGSS.MS-PS1-1

What is circled in the picture?

• Atom

• Molecule

• Chemical Bond

• Element

Tags

NGSS.MS-PS1-1