Chemical Bonding Regents Chemistry

In an exothermic reaction, heat is ...

• taken in

• released

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

In an endothermic reaction, heat is ,,,

• taken in
• given out

Tags

NGSS.HS-PS1-4

Ionic Bonding involves...

• The transfer of protons
• The transfer of nuetrons 
• The transfer of electrons
• None Of the above

Is the combustion of gasoline endothermic or exothermic?

• Endothermic
• Exothermic

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______. 

• Warm
• Cold

Tags

NGSS.HS-PS3-4

An atom that gains an electron in an ionic bond becomes a/an _______________ charged ion.

• Negatively
• Positively

Is the molecule H₂O polar or non-polar?

• polar
• non-polar

Exothermic reactions...

• Absorb energy
• Release energy
• Release Color
• Absorb Color

Tags

NGSS.HS-PS1-4

Are the atoms more stable when they are bonded together or when they are apart? 

• Bonded Together
• Apart

Tags

NGSS.HS-PS1-4

What type of bond occurs between a positive and a negative ion?

• Ionic bond
• covalent bond
• metallic bond
• p-n bond