Describing Trends

What idea is this cartoon showing?

• chlorine is more electronegative than hydrogen

• chlorine has more energy levels than hydrogen

• hydrogen is more electronegative than chlorine

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

Why is iodine larger than bromine?

• iodine has a greater number of electrons than bromine

• iodine has a greater number of protons than bromine

• iodine has more occupied energy levels and greater shielding than bromine

• iodine has more neutrons than bromine

• iodine has more valence electrons than bromine

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NGSS.HS-PS1-1

Which of the following is true for alkaline earth metals as their atomic number increases?

• The atomic radius decreases.

• Ionization energy decreases.

• The number of valence electrons increases.

• The Coulombic attraction increases.

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NGSS.HS-PS1-1

Put the following in order of increasing ionization energy:Sodium, Oxygen, Boron

• Sodium, Boron, Oxygen

• Oxygen, Boron, Sodium

• Sodium, Oxygen, Boron

• Oxygen, Sodium, Boron

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Put these in increasing order in terms of electronegativity :

• B < N < F

• B < F < N

• N < F < B

• F < N < B

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which is the correct order of electronegativity from lowest to highest?

• Zinc, Nickel, Iron, Scandium

• Iron, Nickel, Zinc, Scandium

• Scandium, Iron, Nickel, Zinc

• Scandium, Iron, Zinc, Nickel

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which one has the largest radius?

• Lithium (Li, atomic #3)

• Boron (B, atomic #5)

• Neon (Ne, atomic #10)

• Nitrogen (N, atomic #7)

Elements closer to the noble gases have stronger attraction for electrons.

• True

• False

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following trends is observed as you move across a period in the periodic table?

• Atomic radius increases

• Ionization energy decreases

• Electronegativity increases

• Metallic character increases

Tags

NGSS.HS-PS1-2