Atoms and Periodic Table

The elements to the left side of the periodic table are classified as:

• Metals

• Nonmetals

• Metalloids/semi-metals

• Noble gases

Tags

NGSS.MS-PS1-1

The elements in the periodic table are organized by:

• Atomic mass

• Atomic number

• Ionization energy

• Valence electrons

Which elements have a shiny luster?

• metals

• metalloids

• nonmetals

• noble gases

which elements are located on the zigzag?

• nonmetals

• metalloids

• metals

• noble gases

Which elements are brittle?

• nonmetals

• metalloids

• metals

What is the atomic mass of "F"

• 9
• 18
• 17
• 19

Tags

NGSS.MS-PS1-1

How do you find out the number of protons in an atom?

• atomic number
• atomic mass
• charge
• atomic mass - atomic number

Tags

NGSS.MS-PS1-1

All matter is made of _________. 

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1

Which particle has a similar mass to a proton?

• Electron
• Neutron
• Photon
• Marble

The part of the atom that determines the identity of the atom is the ____________.

• proton
• nucleus
• electron
• neutron