Atomic Structure Isotopes Neutrons Quiz

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How many neutrons are in the isotope with atomic number 92 and mass number 238?

92 neutrons

36 neutrons

146 neutrons (correct)

238 neutrons

Which subatomic particle carries a negative charge?

Proton

Electron (correct)

Isotope

Neutron

What is the total number of protons and neutrons in an isotope with atomic number 36 and mass number 84?

48

120 (correct)

36

84

How many electrons are present in an atom with atomic number 17?

17 electrons Signup and view all the answers

Which subatomic particle is found in the nucleus of an atom?

Proton Signup and view all the answers

What is the main function of neutrons in an atom?

Providing stability to the nucleus Signup and view all the answers

Which sub-atomic particle has a positive charge?

Proton Signup and view all the answers

How many electrons are present in a neutral atom of Carbon-13?

6 Signup and view all the answers

The atomic notation for Hydrogen-2 is:

2H Signup and view all the answers

What is the total number of protons in a neutral atom of Zinc-66?

30 Signup and view all the answers

Why are masses on the periodic table usually expressed as decimal numbers?

To represent the weighted averages of all known isotopes of an element. Signup and view all the answers

Which of the following is not a sub-atomic particle?

Isotope Signup and view all the answers

How do neutrons affect an atom?

Change the mass of the nucleus Signup and view all the answers

What defines an isotope?

Different number of neutrons Signup and view all the answers

Which statement about isotopes is correct?

They have different mass and abundance Signup and view all the answers

How many isotopes does most elements have?

2 Signup and view all the answers

Which isotope of hydrogen is radioactive?

Hydrogen-3 (Tritium) Signup and view all the answers

What differentiates isotopes of the same element?

Chemical properties Signup and view all the answers