honors chemistry final review questions

The formula for copper (I) chloride is 

• CoCl₂
• CoCl
• CuCl
• CuCl₂

Tags

NGSS.HS-PS1-2

oxygens atomic number is 8. This means than an oxygen atom has

• eight neutrons 
• 8 protons and neutrons 
• 8 protons 
• 8 electrons and neutrons

Tags

NGSS.MS-PS1-1

Which statement is not true

• protons have a positive charge
• a nucleus has a positive charge
• neutrons have no charge
• neutrons have a negative charge

Tags

NGSS.MS-PS1-1

Mass number of an element that has 19 protons, 19 electrons and 20 neutrons

• 19
• 20 
• 39
• 58

Mass number of an element that has 19 protons, 19 electrons and 20 neutrons

• 19
• 20 
• 39
• 58

Tags

NGSS.MS-PS1-1

An atom's mass number equals the number of 

• protons plus the number of electrons
• protons plus the number of neutrons
• protons
• neutrons

Which statement about the nucleus is correct

• Made of protons and neutrons and has a negative charge
• made of protons and neutrons and has a positive charge
• made of electrons with a positive charge
• made of electrons with a negative charge

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NGSS.HS-PS1-8

Thomson is responsible for discovering that an atom contains

• electrons
• molecules
• anodes
• nucleus 

Whose model determined that an atom's positive charge is concentrated in the atoms center? 

• Rutherford
• dalton
• thomson 
• democritus

the elements in groups 3 through 12 of the periodic table are the 

• actinides
• transition elements
• halogens
• alkaline earth metals

Tags

NGSS.HS-PS1-1