Atomic Structure and isotopes

Front

What are the positive particles of an atom?

Back

Protons are the positive particles of an atom.

Front

What is the central region of an atom where its neutrons and protons are located?

Back

The nucleus is the central region of an atom.

Front

What is an isotope?

Back

An isotope is two atoms of the same element with different amounts of neutrons.

Front

How are elements arranged in the modern periodic table?

Back

Elements are arranged by atomic number.

Front

How many protons does an atom with atomic number 6 have?

Back

An atom with atomic number 6 has 6 protons.

Front

What are neutrons?

Back

Neutrons are neutral particles found in the nucleus of an atom.

Front

What is the charge of an electron?

Back

Electrons have a negative charge.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

What is the difference between an atom and an ion?

Back

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

Front

What is the mass number of an atom?

Back

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