Periodic Table Flashcard

Front

What are isotopes?

Back

Isotopes are atoms of the same element that have the same atomic number but different mass numbers due to varying numbers of neutrons.

Front

What does the notation ⁴He represent?

Back

The notation ⁴He indicates that it is a neutral helium atom with a mass number of 4.

Front

How many electrons does Boron (B) have?

Back

Boron (B) has 5 electrons.

Front

What information does the atomic number provide?

Back

The atomic number indicates the number of protons in an atom and defines the element.

Front

What is the symbol for Gold?

Back

The symbol for Gold on the periodic table is Au.

Front

What is the difference between atomic number and mass number?

Back

The atomic number is the number of protons in an atom, while the mass number is the total number of protons and neutrons.

Front

What is an ion?

Back

An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.

Front

What does the term 'electron configuration' refer to?

Back

Electron configuration describes the distribution of electrons in an atom's orbitals.

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 are the main groups of the periodic table?

Back

The main groups include alkali metals, alkaline earth metals, transition metals, halogens, and noble gases.