Elements in the periodic table are arranged in order by their ...

• atomic number
• atomic mass (mass number)
• metal, nonmetal, or metalloid properties

Periods run VERTICALLY on the periodic table, from top to bottom.

• True
• False

ATOMIC NUMBER is the number of protons AND electrons.

• True
• False

How many proton are in this element?

• 238
• 92
• 146

Tags

NGSS.MS-PS1-1

How many electrons are in this element?

• 238
• 92
• 146

Tags

NGSS.MS-PS1-1

How many neutrons are in this element?

• 238
• 92
• 146

Tags

NGSS.MS-PS1-1

Which of the following are located in the nucleus and have a positive charge?

• Electron
• Proton
• Neutron

Tags

NGSS.MS-PS1-1

Which of the following are located in the nucleus and have a neutral charge?

• Electron
• Proton
• Neutron

Which of the following are located outside the nucleus and have a negative charge?

• Electron
• Proton
• Neutron

The number in the top right corner is what?

• The mass number
• the symbol
• the atomic number
• the element name