Elements, Atoms and Periodic Table

All matter is made of

• atoms
• cells

Tags

NGSS.MS-PS1-1

• Periods
• Groups

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in an atom.

A neutron has a charge of

• +2
• No charge
• -1
• +1

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

Tags

NGSS.MS-PS1-1

In the modern periodic table elements are arranged by:

• atomic mass
• atomic number
• valence electrons
• number of isotopes

Most of the elements on the periodic table are classified as "metal".

• True
• False

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1

Which two subatomic particles are found in the NUCLEUS of at atom?

• protons & nuetrons
• protons & electrons
• neutrons & electrons
• electrons & protons

Tags

NGSS.HS-PS1-8

What type of subatomic particles are found in the cloud?

• neutrons
• electrons
• protons
• reactions

Tags

NGSS.MS-PS1-1