Atoms and Elements #1

What is this?

• Periodic chart

• Element table

• Element chart

• Periodic table

Tags

NGSS.MS-PS1-1

Which of the following best describes an atom?

• protons and neutrons grouped together
• protons and electrons grouped together
• a core (center) of protons and neutrons surrounded by electrons
• a core of electrons and neutrons surrounded by protons

Tags

NGSS.MS-PS1-1

Which of the following is found farthest from the center of an atom?

• nucleus
• proton
• neutron
• electron

The protons in an atom’s nucleus have what kind of charge?

• positive
• negative
• neutral
• no charge

What kind of charge do neutrons have?

• positive 
• negative
• neutral
• -3

What is the basic unit of matter (smallest part of an element)?

• atoms
• elements
• protons
• compounds

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

All atoms of an element have the same number of _____________.

• neutrons
• electrons
• protons
• atomic mass

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

• negatrons 
• electrons 
• neutrons 
• protons 

True or False? Neutrons have a negative charge

• True

• False

What is the atomic number of an element with three protons?

• 2

• 1

• 3

• 6