Unit 2 - Atomic Structure Review

Front

What are the charges and masses of protons and neutrons?

Back

Protons and neutrons have the same mass but different charges; protons are positively charged, while neutrons are neutral.

Front

What is the mass of a proton compared to a neutron?

Back

The mass of a proton is the same as the mass of a neutron.

Front

In an electrically neutral atom with 10 protons and 12 neutrons, how many electrons are present?

Back

There are 10 electrons in an electrically neutral atom with 10 protons.

Front

What is the charge and location of an electron in an atom?

Back

Electrons have a negative charge and are located outside the nucleus.

Front

How many electrons are in an atom with 2 protons and 3 neutrons?

Back

An atom with 2 protons has 2 electrons.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is the mass number of an atom?

Back

The mass number is the total number of protons and neutrons in the nucleus of an atom.

Front

How do you determine the number of neutrons in an atom?

Back

The number of neutrons can be determined by subtracting the atomic number from the mass number.

Front

What is the role of electrons in chemical bonding?

Back

Electrons, particularly valence electrons, play a crucial role in forming chemical bonds between atoms.

Front

What is the difference between an atom and an ion?

Back

An atom is electrically neutral, while an ion has a net charge due to the loss or gain of electrons.