Atoms Ions Isotopes

Ions are: 

• atoms with a positive or negative charge

• atoms with no charge

• atoms with ONLY a positive charge

• atoms with ONLY a negative charge

How many neutrons does the isotope of lithium have?

• 8

• 3

• 4

• 5

Tags

NGSS.MS-PS1-1

How many ELECTRONS does copper have if it has the following charge: Cu²⁺ ?

• 64

• 35

• 27

• 29

Tags

NGSS.MS-PS1-1

How many ELECTRONS will iron have if it has the following charge: Fe³⁺ ?

Tags

NGSS.HS-PS1-1

How many PROTONS does nitrogen have if it has the following charge: N^3- ?

• 14

• 7

• 10

• 4

Tags

NGSS.MS-PS1-1

What is the number of neutrons?

• 34

• 79

• 45

• 35

Tags

NGSS.MS-PS1-1

How is carbon-12 different from carbon-14?

• They have a different number of protons

• they have a different number of electrons

• they have a different number of neutrons

Tags

NGSS.MS-PS1-1

The positive particles of an atom are 

• electrons 

• positrons 

• neutrons 

• protons 

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

• negatrons 

• electrons 

• neutrons 

• protons 

The subatomic particle with a negative charge is the

• electron

• proton

• neutron

• nucleus