Chemistry-B

Front

What is the atomic number of Neon?

Back

The atomic number of Neon is 10.

Front

What is the mass number of an element?

Back

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

Front

Define periods in the periodic table.

Back

Periods are the horizontal rows in the periodic table, indicating the number of electron shells.

Front

Define groups (families) in the periodic table.

Back

Groups (families) are the vertical columns in the periodic table, indicating elements with similar chemical properties.

Front

What are alkaline earth metals?

Back

Alkaline earth metals are the elements in Group 2 of the periodic table, including Beryllium, Magnesium, Calcium, Strontium, Barium, and Radium.

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 an isotope?

Back

Isotopes are variants of a particular chemical element that have the same number of protons but different numbers of neutrons.

Front

What is the electron configuration of Neon?

Back

The electron configuration of Neon is 1s² 2s² 2p⁶.

Front

What are the properties of noble gases?

Back

Noble gases are colorless, odorless, tasteless, and non-flammable gases that are very unreactive due to having a full valence shell.