Mass Number and Atomic Number

The Atomic number is known as the _______

• Number of electrons in an atom

• Number of Protons in an atom

• Number of neutrons in an atom

• Number of Protons and electrons in an atom

What charge do protons have?

• Positive

• Negative

• Neutral

What is atomic number ?

• Number of Protons

• Number of Electrons

• Number of Protons and Electrons

• Number of Protons and Neutrons

What is Atomic Mass Number ?

• Number of Protons

• Number of Neutrons

• Number of Protons and Neutrons

• Number of Protons and Electrons

What is the Atomic Number of this Element

• 7

• 3

• 4

• 1

Tags

NGSS.MS-PS1-1

Atomic Number is denoted by the symbol

• L

• A

• M

• Z

What is the Atomic Mass Number of the element mentioned above

• 12

• 6

• C

• 16

Tags

NGSS.MS-PS1-1

Atomic Mass Number is denoted by the symbol

• p

• n

• A

• e

Where are the electrons located in the atom ?

• They revolve around the nucleus in circles

• They are inside the nucleus of an atom

What is the number of protons in Magnesium atom ?

• 12

• 24

• 23

• 8

Tags

NGSS.MS-PS1-1