Fall ACP Review - Units 1 and 2 #1

Front

What is the correct dot diagram for neon (Ne)?

Back

The correct dot diagram for neon (Ne) shows 8 valence electrons, arranged in pairs around the symbol.

Front

What affects atomic radius as you go across a period?

Back

The nuclear charge affects atomic radius as you go across a period.

Front

What determines the number of valence electrons in an atom?

Back

The group number of the element determines the number of valence electrons.

Front

How do alkali metals behave in terms of electron loss?

Back

Alkali metals lose 1 electron.

Front

What do halogens do with electrons?

Back

Halogens gain 1 electron.

Front

What is the behavior of noble gases regarding electron gain or loss?

Back

Noble gases do not lose or gain electrons.

Front

What did Thomson's cathode ray tube experiment discover?

Back

Thomson's cathode ray tube experiment discovered negatively charged electrons.

Front

What is the atomic number of an element?

Back

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

Front

What is the mass number of an atom?

Back

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

Front

What is an electron configuration?

Back

An electron configuration is the distribution of electrons in an atom's orbitals.