Atom Quiz

How many Electrons

• 2.5

• 5

• 6

• 10.81

Tags

NGSS.MS-PS1-1

In order for me to find the number of neutrons, I must round the atomic mass and then do what?

• atomic number-atomic mass

• atomic number x atomic mass

• atomic mass + atomic number

• atomic mass - atomic number

A section of the Periodic Table of Elements is provided. What is the chemical symbol for magnesium?

• 12

• Mg

• 24.31

• Magnesium

Which of these is the electron?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-1

Which letter represents the element's atomic number?

• a

• b

• c

• d

Which letter represents the element's atomic mass?

• a

• b

• c

• d

Tags

NGSS.MS-PS1-1

Which letter represents the element's symbol?

• a

• b

• c

• d

Which letter represents the element's name?

• a

• b

• c

• d

Which parts of an atom are in the nucleus?

• neutrons

• only neutrons and protons

• electrons and protons

• electrons and neutrons

An atom that has the same number of protons and electrons has

• no charge.

• a positive charge.

• a negative charge.

• an isotope charge