Unit 3 Electrons Test

Front

Identify the element with the following electron configuration: 1s²2s²2p².

Back

C

Front

Identify the total amount of electrons in an element with this electron configuration: 1s²2s²2p⁶3s²3p³.

Back

15

Front

Identify the number of valence electrons in an element with this electron configuration: 1s²2s²2p⁶3s²3p³.

Back

5

Front

Two atoms have a difference in electronegativity of 2.34. What type of bond will they most likely form?

Back

Ionic

Front

Two oxygen atoms have a difference in electronegativity of 0. What type of bond will they form?

Back

Covalent

Front

The energy required to remove one electron from a neutral atom of an element is known as ________.

Back

ionization energy

Front

Anions have ______ electrons and thus have a ______ charge.

Back

gained; negative

Front

Identify the element with the following electron configuration: [Ar]4s²3d¹⁰4p³.

Back

As

Front

Which element has the greatest ionization energy? Cs, Li, Br, F

Back

F

Front

Which element has the lowest ionization energy? Choices: Cs, Li, Br, F

Back

Cs