Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in forming bonds with other atoms.

Front

How many valence electrons does an atom with an electron configuration of 1s²2s²2p⁶3s²3p³ have?

Back

5 valence electrons.

Front

Which family of elements in the periodic table has electrons filling orbitals in the s-block?

Back

Alkaline Earth Metals.

Front

What is the electron configuration for an atom with 15 electrons?

Back

1s²2s²2p⁶3s²3p³.

Front

What does the atomic number represent in the periodic table?

Back

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

Front

How do elements in the periodic table increase?

Back

Elements increase by atomic number.

Front

What is the maximum number of electrons that can occupy the s orbital?

Back

2 electrons.

Front

What is the shape of the p orbital?

Back

The p orbital has a dumbbell shape.

Front

How many orbitals are in the d subshell?

Back

There are 5 orbitals in the d subshell.

Front

What is the electron configuration for a chlorine atom?

Back

1s²2s²2p⁶3s²3p⁵.