Atoms, Isotopes, Periodic Table

Front

What group does Sodium (Na) belong to in the periodic table?

Back

Group 1.

Front

What is the mass number of an atom?

Back

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

Front

What charge do neutrons carry?

Back

Neutrons have a neutral charge.

Front

How many protons are present in Sodium (Na)?

Back

Sodium (Na) has 11 protons.

Front

What group number does nitrogen (N) belong to?

Back

Nitrogen (N) belongs to group 15.

Front

What is an isotope?

Back

Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons.

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

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 significance of the periodic table?

Back

The periodic table organizes elements based on their atomic number, electron configuration, and recurring chemical properties.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.