Atomic Structure, Atomic Scientists, and NOS

Which subatomic particles are found in the nucleus of an atom?

• Protons and Electrons
• Protons and Neutrons
• Neutrons and Electrons
• Protons, Neutrons and Electrons

Tags

NGSS.MS-PS1-1

What is atomic number?

• Number of protons in an atoms 
• Number of neutrons in an atom
• Mass of an atom
• Charge on an atom

Which subatomic particle has a negative (-) charge?

• Proton
• Electron
• Neutron

Where is the nucleus located in an atom?

• Near the electron shells/levels
• Near the center of an atom

How many electron shells/levels does this atom have?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

How many electrons does this picture show?

• 4
• 5
• 6
• 3

Tags

NGSS.MS-PS1-1

How many neutrons does this atom have?

• 4
• 5
• 6
• 7

Tags

NGSS.MS-PS1-1

JJ Thomson's theory was nicknamed _______.

• Billiard Ball Theory
• Solar System Theory
• Electron Cloud
• Plum Pudding

The "plum pudding" model was proposed by:

• Moseley
• Millikin
• Democritis
• JJ Thomson

"Everything is composed of atoms" was stated by:

• Democritis
• Dalton
• Moseley
• Einstein

Tags

NGSS.MS-PS1-1