Exploring Atomic Structure and Properties

Front

Which subatomic particle is found in the nucleus of an atom and has a positive charge?

Back

Proton

Front

Why do isotopes of the same element have different mass numbers but the same chemical properties?

Back

Isotopes have different numbers of neutrons.

Front

Which of the following best describes the electron cloud model of the atom?

Back

Electrons are located in a cloud around the nucleus.

Front

Calculate the number of neutrons in an atom of carbon-14.

Back

8

Front

How does the Bohr model of the atom differ from the quantum mechanical model?

Back

The Bohr model describes electrons in fixed orbits, while the quantum model describes electron probabilities.

Front

Which element has an atomic number of 8?

Back

Oxygen

Front

Predict the effect on the atomic number and mass number when a neutron is added to an atom.

Back

The atomic number remains the same, and the mass number increases by 1.

Front

What is the charge of an electron?

Back

Negative

Front

How is the periodic table organized in terms of atomic structure?

Back

By increasing atomic number

Front

Which of the following particles has the least mass? Proton, Neutron, Electron, Alpha particle

Back

Electron