1st Semester final review #3: Periodic Table/Trends

Which of the following elements is not a metal?

• H

• K

• Na

• Fr

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NGSS.HS-PS1-1

Neutral atoms contain equal numbers of

• electrons and neutrons

• protons and neutrons

• protons and electrons

• protons, electrons, and neutrons

What kind of ion will an atom form if it has 6 valence electrons?

• +6 ion

• -2 ion

• +2 ion

• -6 ion

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NGSS.HS-PS1-1

What kind of ion will nitrogen form?

• +3 ion

• -3 ion

• -7 ion

• -5 ion

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

An atom of potassium has 19 protons and 20 neutrons. Its mass number is

• 9

• 19

• 20

• 39

A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound is called

• electron affinity

• electron configuration

• electronegativity

• ionization potential

Which of the following elements has the lowest electronegativity?

• C

• F

• Li

• O

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NGSS.HS-PS1-1

Which of the following elements has the biggest atomic radius?

• Al

• S

• Si

• C

All the alkali metal elements are found on the periodic table in...

• Group 1

• Group 2

• Period 1

• Period 2

Which of the following elements has the greatest ionization energy?

• Ga

• K

• Bi

• As

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NGSS.HS-PS1-1

NGSS.HS-PS1-2