Atoms

In what part of an atom can protons be found? 

• Inside the electrons
• Inside the neutrons 
• Inside the atomic nucleus 
•  Inside the electron shells

Tags

NGSS.MS-PS1-1

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

Tags

NGSS.MS-PS1-1

True or False? Neutrons have a negative charge

• True
• False

Tags

NGSS.HS-PS1-8

If you want to know which atom an element is, then count the _____

• protons
• neutrons
• electrons
• nucleons

Tags

NGSS.MS-PS1-1

The nucleus contains _____

• only protons
• protons and neutrons
• protons and electrons
• electrons and neutrons

Tags

NGSS.MS-PS1-1

Atoms cannot be divided by ordinary means.

• True

• False

Atoms are the _________ of all matter.

• Indivisible

• prettiest

• Building block

• Nucleus

Tags

NGSS.MS-PS1-1

During the __________ scientists began to develop a theory as to how atoms work.

• 1600s

• 1700s

• 1800s

• 1900s

The center of the atom is

• The neutron

• The nucleus

• The proton

• The electron

Tags

NGSS.MS-PS1-1

There are ______ elements that occur naturally

• 80

• 98

• 100

• 150