A.P.E. M.A.N. & Bohr Model Quiz

Which of the following is true about an ATOM?

• the number of PROTONS and the number of NEUTRONS are equal

• the number of PROTONS and the ATOMIC MASS are equal

• the number of PROTONS and the number of ELECTRONS are equal

• the number of protons, neutrons, and electrons are ALWAYS equal

What is the ATOMIC NUMBER of Nitrogen?

• 14

• 7

• 21

• 15

What is the ATOMIC MASS of Nitrogen rounded to the NEAREST WHOLE NUMBER?

• 14

• 21

• 7

• 15

How many NEUTRONS does an atom of Nitrogen have? (Remember A=P=E M-A=N)

• 21

• 7

• 14

• 15

How many PROTONS does an Atom of Nitrogen have? (Remember A=P=E M-A=N)

• 14

• 7

• 15

• 21

How many ELECTRONS does an Atom of Nitrogen have? (Remember A=P=E M-A=N)

• 21

• 15

• 7

• 14

How many VALENCE ELECTRONS does this Element have?

• 2

• 8

• 10

• 12

How many VALENCE ELECTRONS does this Atom have?

• 2

• 4

• 6

• 12

The element Lithium has 3 protons, 3 electrons, and a mass number of 7. How many NEUTRONS are in this atom? (Remember: A=P=E M-A=N)

• 3

• 7

• 4

• 10

Sodium (Na) has a mass of 22.990. How many PROTONS does Sodium have? (Remember A=P=E M-A=N)

• 11

• 23

• 12

• 22