MP2 Review A

Which two elements have the most similar chemical properties?

• lithium and potassium

• carbon and oxygen

• chlorine and argon

• gold and mercury

Tags

NGSS.HS-PS1-1

Which list of elements is arranged in order of increasing electronegativity?

• S, Cl, Ar

• Na, Mg, Al

• Rb, K, Na

• O, F, Ne

What is the overall charge of an ion that has 8 protons, 8 neutrons, and 10 electrons?

• -2

• +2

• -4

• +4

As the elements in Period 2 are considered in order of increasing atomic number, there is a general decrease in

• atomic mass

• atomic radius

• ionization energy

• number of electron shells

Tags

NGSS.HS-PS1-1

What is an atom's ionization energy?

• the energy given off when an electron is gained

• the energy given off when an electron is lost

• the energy needed to gain an electron

• the energy needed to remove an electron

Tags

NGSS.HS-PS1-1

Electronegativity is the ability of an atom to

• release electrons

• conduct an electric current

• become an ion

Tags

NGSS.HS-PS1-2

Which of the following elements is in the same period as chlorine?

• fluorine

• bromine

• sulfur

• potassium

Which Group of elements in the Periodic Table contains the most reactive nonmetals?

• alkali metals (1A)

• alkaline earth metals (2A)

• halogens (7A)

• noble gases (8A)

According to the graph, which of the following elements would require the least amount of energy to remove its outermost electron?

• Radon

• Xenon

• Krypton

• Helium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What general trend exists for the ionization energy down a group, from top to bottom?

• Ionization energy increases.

• Ionization energy decreases.

• Ionization energy remains fairly constant.

• Ionization energy first increases, then decreases.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2