PERIODIC TABLE TRENDS QUIZ #2

Who arranged the first periodic table.

• Mosely
• Einstein
• Mendeleev
• Bohr

How many elements were discovered during Mendeleev's time?                                           

• 63
• 56
• 101
• 34

Why did scientists need/want to organize the elements?

• Scientists like things organized
• make it easier to understand the elements
• have one list of the known elements.
• none of the above

In the modern periodic table elements are arranged by:

• atomic mass

• atomic number

• valence electrons

• number of isotopes

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I am a British scientist who came up with today's periodic table of elements that is based on ATOMIC NUMBER. Who am i?

• Henry G.J Mosely

• J.J Thomson

• Erwin Schrodinger

• John Dalton

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_______________ developed the first periodic table and arranged the elements in order of increasing atomic mass.

• Stevie Wonder
• Sasha Vujacic
• Dmitri Mendeleev
• James Mosely

Which atom has the largest atomic radius?

• potassium

• rubidium

• francium

• cesium

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As you move down the periodic table atoms get bigger.  This is because ____________.

• The atoms have more mass.
• The atoms have more protons.
• The atoms have more energy levels
• The atoms have more nuetrons

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The atom with the largest atomic radius in Group 18 is - 

• Ar
• He
• Kr
• Rn

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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.

• Ionic radius increases across a period and increases down a group.

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