The periodic table has a hidden pattern that was recognized by:

• John Dalton
• Neil DeGrasse Tyson
• Mendeleev
• Gregor Mendel

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An anion is a negatively charged ion.

• True
• False

Which of the following will have a larger radius than Zinc?

• Gallium
• Aluminum
• Magnesium
• Strontium

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NGSS.HS-PS1-1

Which of the following will have a higher electronegativity than arsenic (As)?

• Carbon (C)
• Neon (Ne)
• Antimony (Sb)
• Germanium (Ge)

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NGSS.HS-PS1-1

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Which of the following will have a lower ionization energy than Scandium (Sc)?

• Helium (He)
• Titanium (Ti)
• Calcium (Ca)
• Magnesium (Mg)

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NGSS.HS-PS1-1

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Which properties are characteristic of the group 1 metals?

• high reactivity and the formation of stable compounds
• high reactivity and the formation of unstable compounds
• low reactivity and the formation of stable compounds
• low reactivity and the formation of unstable compounds

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

As atoms of elements in group 16 are considered in order from top to bottom, the electronegativity of each successive element....

• decreases
• increases
• remains the same
• none of the above

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NGSS.HS-PS1-1

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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

As you move across the periodic table atoms tend to get smaller because, ______________.

• the atoms have more mass.
• the atoms have less mass
• the atoms have more protons.
• the atoms have less electrons.

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Atoms that have a high electronegativity, _______________.

• give up their electrons more easily.
• hold on to their electrons more tightly.
• have more electron shells.

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NGSS.HS-PS1-1

NGSS.HS-PS1-2