Atomic structure

Subatomic particle with a charge of 0

• neutron
• proton
• electron
• quark

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

Subatomic particles with a positive charge

• neutrons
• atomic mass
• protons
• isotopes

How many protons does sulfur have?

• 32

• 16

• 48

• 12

Tags

NGSS.MS-PS1-1

In an atom, the number of protons is equal to the number of ____________.

• energy levels

• neutrons

• neurons

• electrons

An atom of the element with atomic number 6 always has _____.

• six protons in its nucleus
• an atomic mass of six
• more than six neutrons
• six electron clouds

How many protons are in this element?

• 79
• 196
• 117
• Cannot be determined

Tags

NGSS.MS-PS1-1

How many electrons does potassium K contain? (click to see image)

• 19
• 39
• 20
• 40

Tags

NGSS.MS-PS1-1

How many neutrons does a Hydrogen atom have?

• 1

• 2

• 3

• 0

Tags

NGSS.MS-PS1-1

How many electrons does an Iodine atom have?

• 53

• 126

• 73

• 179

Tags

NGSS.MS-PS1-1