Atomic Structure and Ion Formation

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

subatomic particles found on the outermost shell & responsible for the atom's reactivity

• neutrons
• valence electrons
• isotopes
• ions

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What is one way Neutrons are different from electrons?

• they both are negative

• neutrons have no charge, while electrons have a negative charge

• Both are in the nucleus( center of atom)

• Electrons are inside nucleus and neutrons are outside the nucleus.

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NGSS.MS-PS1-1

How are electrons similar to neutrons?

• Both have negative charge

• Both are part of a molecule

• Both make up parts of an atom

• Both are in nucleus

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This is an atom with a charge. 

• omni
• oni
• ion
• ouch-e

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You see an model of an atom with 5 protons and 4 electrons. What kind of atom is this? 

• positive ion 
• negative ion 
• neutral ion 
• strange ion

These subatomic particles are taken or removed to form ions. 

• neutrons 
• protons 
• electrons 
• nimrons 

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NGSS.HS-PS1-1

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The number of electrons in an atom is equal to ......

• the number of protons

• the number of neutrons

• the atomic mass

An ion is found to have 26 protons and 23 electrons. What is the correct symbol for this ion?

• Fe³⁺

• Fe^3-

• V³⁺

• V^3-

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NGSS.HS-PS1-1

How many electrons does an oxide ion contain?

• 2
• 6
• 8
• 10