Protons, Neutrons, Electrons practice quiz

The atomic number is the same as......

• the number of protons

• the number of electrons

• the number of neutrons

• the number of protons plus neutrons

The mass number is the same as......

• the number of protons

• the number of electrons

• the number of neutrons

• the number of protons plus neutrons

Tags

NGSS.HS-PS1-8

NGSS.HS-PS1-7

If we are talking about the isotope carbon-14, the mass number of this isotope is.....

• 12

• 13

• 14

• 6

If we are talking about the isotope carbon-13, the mass number of this isotope is...

• 12

• 13

• 14

• 6

Isotopes of an element have different numbers of ......

• protons

• neutrons

• electrons

This picture shows different isotopes of hydrogen written in isotope notation. What is the mass number of deuterium?

• 1

• 2

• 3

This picture shows different isotopes of hydrogen written in isotope notation. What is the atomic number of deuterium?

• 1

• 2

• 3

This picture shows different isotopes of hydrogen written in isotope notation. What is the mass number of tritium?

• 1

• 2

• 3

Look at this picture of Argon off the periodic table. Which of the following is true for this element?

• 18 protons

• 40 protons

• 22 protons

• 21.9 protons

Tags

NGSS.HS-PS1-1

The charge of the nucleus of all atoms or ions

• positive
• negative
• neutral
• sometimes positive and sometimes negative