Comprehensive Review 2

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Tags

NGSS.HS-PS1-1

the central region of an atom where its neutrons and protons are is its 

• nucleus 
• electron cloud
• core 
• center 

Tags

NGSS.HS-PS1-8

an atom with atomic number 6 would have how many protons 

• 6
• 12
• 3
• cannot be determined 

Tags

NGSS.MS-PS1-1

Which of the following is a negatively charged subatomic particle?

• Electron
• Proton
• Neutron
• Quark

The atomic number of an elements is the total number of which particles in the nucleus?

• neutrons
• protons
• electrons
• protons and electrons

How many neutron are in the atom "K"?

• 7

• 2

• 39

• 20

What determines the reactivity of an element?

• Size of its nucleus
• Number of total electrons
• Number of valence electrons
• Number of shells

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What type of elements will form an ionic bond?

• Metals + Metals
• Nonmetals + Nonmetals
• Metals + Nonmetals
• None of the above

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What do atoms that form positive ions tend to do?

• Tend to lose electrons 
• Tend to lose protons
• Tend to gain electrons
• Tend to gain protons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What usually forms the negative ion?

• nonmetals
• metal
• none

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2