Atoms, Elements, Periodic Table

The atomic number tells you what?

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

How many protons are in Beryllium?

• 4
• 9
• 5
• 2

Tags

NGSS.MS-PS1-1

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1

This subatomic particle always identifies the identity (name) of the element

• Neutron
• Electron
• Proton
• amu

The chart that shows the arrangement of elements in order by their atomic number

• Electron Cloud
• Periodic Table
• amu
• Atomic Mass

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The vertical columns on the periodic table #1-18

• Groups
• Periods
• Subatomic Particles
• Rows

The majority of elements are classified as ________ and are located on the left side/middle of the periodic table.

• Metals
• Noble Gases
• Nonmetals
• Metalloids

The subatomic particle with a neutral charge is:

• protons
• electrons
• neutrons
• cloud

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

How many protons does this element have?

• 40
• 21
• 20
• 41

Tags

NGSS.MS-PS1-1