Periodic Trends Quiz

Which of the following atoms has a larger radius than zinc?

• Gallium

• Magnesium

• Strontium

• Aluminum

Tags

NGSS.HS-PS1-1

Which atom has the most valence electrons?

• Ca

• C

• Cl

• Si

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NGSS.HS-PS1-1

As atoms in Group 15 are considered in order from top to bottom, the electronegativity of each successive element __________.

• increases

• decreases

• remains the same

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

As you move across the periodic table, atomic radius generally ________ because _______.

• increases; they have more protons

• increases; they have more mass

• decreases; they have more energy levels

• decreases; they have more protons

Ionization energy is defined as ______.

• the energy required to add an electron to an atom

• the energy required to shield the outer electrons from the nucleus

• a measure of the ability of an atom to attract electrons

• how much energy it takes to remove an electron from an atom

Tags

NGSS.HS-PS1-2

The atom with the largest atomic radius in Group 18 is ______.

• He

• Xe

• Ne

• Rn

Which statement correctly and completely identifies a trend?

• Atomic radius decreases across a period, and increases down a group

• Electronegativity decreases across a period and decreases down a group

• Ionization energy increases across a period and increases down a group

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What metalloid is in the fourth period and in the same group as carbon?

• boron

• tin

• silicon

• germanium

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NGSS.HS-PS1-1

Which atom has the lowest ionization energy?

• H

• Cs

• K

• Ar

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Put these in increasing order of atomic radii (smallest to largest).
F, Li, B, Ne

• Ne < F < B < Li

• Li < B < F < Ne

• B < Li < F < Ne

• Ne < F < Li < B

Tags

NGSS.HS-PS1-1