Atoms Ions Isotopes

What is the charge of this element

• 11

• -1

• +1

• 1

• 12

Tags

NGSS.MS-PS2-3

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

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

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 

If the number of protons equal the number of _____, the atom will have no charge

• protons

• neutrons

• electrons

• nucleus

What is the atomic number?

• the number of protons

• the number of protons and neutrons

• the number of neutrons

• the number of protons and electrons