December 2024

Front

What is the electron configuration of Aluminum?

Back

1s²2s²2p⁶3s²3p¹

Front

How many orbitals are in the d sublevel?

Back

5

Front

Which element has 5 energy levels: F, He, Sr, Ra, Be?

Back

Sr

Front

Which element has the largest electronegativity: F, He, Sr, Ra, Be?

Back

F

Front

What is not considered matter?

Back

Light

Front

Define electronegativity.

Back

Electronegativity is the tendency of an atom to attract electrons in a chemical bond.

Front

What is the maximum number of electrons in the d sublevel?

Back

10

Front

What is the significance of the principal quantum number?

Back

It indicates the energy level of an electron in an atom.

Front

What is the electron configuration for the element with atomic number 12?

Back

1s²2s²2p⁶3s²

Front

What is the difference between an element and a compound?

Back

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