Electron excitation

What is the charge of the electron

• positive
• no charge
• negative
• neutral

Tags

NGSS.MS-PS2-3

How many electrons does an atom with 8 protons have?

• 8
• 16
• 15.99
• 24

Tags

NGSS.MS-PS1-1

The first energy level can hold a maximum of how many electrons?

• 2

• 3

• 8

• 6

Which of the following best describes an electron?

• It has no charge and about the same mass as a proton

• It has a negative charge and less mass than a proton

• It has a positive charge and much more mass than a neutron

• It has a negative charge and about the same mass as a neutron

What is the mass number of the atom pictured?

• 11

• 12

• 22

• 23

What is the atomic number of the atom pictured? 

• 11
• 12
• 22
• 23

Tags

NGSS.MS-PS1-1

Which of the following is a substance that can not be broken down into a simpler substance?

• Isotope
• Element
• Compound
• Atomic Number

How many electrons can the third energy level hold?

• 2

• 18

• 8

• 0

Who is this?

• Snow White

• Ella

• Anna

• Rapunzel

an atom with atomic number 6 would have how many protons 

• 6
• 12
• 3
• cannot be determined 

Tags

NGSS.MS-PS1-1