Parts of the atom

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

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

• nucleus 
• electron cloud
• core 
• center 

How many protons does this atom have?

• 2.5
• 6
• 5
• 10.811

What part of the atom is the arrow pointing to?

• nucleus
• proton
• electron shell
• electron

Particles in an atom that are neutral and have no charge are 

• negatrons 
• electrons 
• neutrons 
• protons 

B and C are found in the ______ of an atom.

• Energy levels
• Space
• Nucleus
• Outside

Which of these is the electron?

• A
• B
• C
• D

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

an atom with atomic number 6 would have how many protons 

• 6
• 12
• 3
• cannot be determined 

How are elements and compounds different?

• A compound is a combination of two or more types of matter, an element is one type.
• Compounds are represented by chemical symbols of one letter, elements by two.
• There are an infinite number of elements, but a limited number of compounds.
• Elements are always larger units of matter, and compounds are smaller.