Atoms and Elements

How many atoms are in one strand of hair?

• about one billion

• about one thousand

• about one million

• about one trillion

Which model scientist use to represent atoms?

• Bohr Model

• Proton Model

• Electron Model

• Neutron Model

Tags

NGSS.MS-PS1-1

Which of these models is the Bohr Model?

• 
• 
• 

Tags

NGSS.MS-PS1-1

The smallest particles that make up matter.

• Molecules

• Protons

• Neutrons

• Atoms

Electrons can be found where in an atom?

• Nucleus

• Protons

• Shells/Energy Levels

• Neutrons

Atoms are made up of how many parts?

• one

• two

• three

• four

Tags

NGSS.MS-PS1-1

A proton has what type of charge?

• no charge

• negative charge

• charge

• positive charge

An electron has what type of charge?

• Positive charge

• Negative charge

• No charge

• Electrical charge

Tags

NGSS.MS-PS2-3

A neutron has what type of charge?

• No charge

• Positive charge

• Negative charge

• Electrical charge

Protons and neutrons are found where in an atom?

• In the shells/energy levels

• Outside of the nucleus

• In the nucleus

• Everywhere in the atom.