Chemistry

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1

The positive particles of an atom are 

• Electrons 
• Positrons 
• Neutrons 
• Protons 

Tags

NGSS.MS-PS1-1

The central region of an atom where its neutrons and protons are is its _______.

• Nucleus 
• Electron cloud
• Core 
• Center 

Tags

NGSS.MS-PS1-1

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

• Negatrons 
• Electrons 
• Neutrons 
• Protons 

Which of the following is a negatively charged subatomic particle?

• Electron
• Proton
• Neutron
• Quark

Where are electrons of an atom found?

• Nucleus
• Electron Cloud
• Some are in the nucleus and some in the electron cloud.
• They are moving everywhere.

Tags

NGSS.MS-PS1-1

What is the atomic mass of "F"

• 9
• 18
• 17
• 19

Tags

NGSS.MS-PS1-1

Which one of these is not a noble gas?

• Helium
• Radon
• Iodine
• Krypton

What is the atomic number of Oxygen?

• 6
• 7
• 8
• 9

Tags

NGSS.MS-PS1-1

What family is Sodium a part of?

• Transition Metals
• Halogens
• Alkali Metals
• Alkaline Earth Metals