Periodic Law

This diagram best represents

• Electronegativity

• Atomic Radii

• First Ionization Energy

• Atomic Number

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NGSS.HS-PS1-1

Which of the following elements has 3 valence electrons?

• Lithium

• Helium

• Gallium

• Barium

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NGSS.HS-PS1-1

The energy required to remove the first electron from an atom is called the ______

• Electronegativity

• Atomic Energy

• Atomic Radii

• First Ionization Energy

A column on the periodic table

• Period

• Group

• Electron Configuration

• Metals

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NGSS.HS-PS1-1

Indication of an atom’s ability to attract electrons in a chemical bond

• Electronegativity

• First Ionization Energy

• Halogen reactivity

• Atomic radii

Rank the following particles in order of increasing ionization energy. I, Br

• Br, I

• I, Br

• They have the same ionization energy

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The periodic law states that the physical and chemical properties of elements are periodic functions of their atomic

• masses

• numbers

• radii

• structures

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Across a period in the periodic table, ionization energy generally

• decreases

• decreases, then increases

• increases

• remains constant

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Mendeleev’s periodic table did not list all elements in order of in creasing atomic mass because he grouped together elements with similar

• properties

• atomic numbers

• names

• isotopes

The person whose work led to a periodic table based on increasing atomic number was

• Moseley

• Mendeleev

• Rutherford

• Cannizzaro