Trends Review

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.

Tags

NGSS.HS-PS1-1

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

• Gallium
• Aluminum
• Magnesium
• Strontium

Order the following in increasing atomic radii: 
Ra, Be, Ca, Rb, H

• Ra, Be, Rb, H, Ca
• Rb, H, Ca, Be, Ra
• Ra, Rb, Ca, Be, H
• H, Be, Ca, Rb, Ra

Tags

NGSS.HS-PS1-1

The more protons there are, the  ____ .

• Weaker the pull
• Smaller the electrons
• Stronger the pull
• The bigger the electrons

Tags

NGSS.HS-PS1-3

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Which one has the largest radius?

• Lithium (Li, atomic #3)
• Boron (B, atomic #5)
• Neon (Ne, atomic #10)
• Nitrogen (N, atomic #7)

Tags

NGSS.HS-PS1-1

Which of the following elements would be the largest: copper, zinc, silver or cadmium?

• copper

• zinc

• silver

• cadmium

• cannot be determined

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

Tags

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.

Tags

NGSS.HS-PS1-1

Which element has the greater ionization energy?

• Strontium
• Boron

Tags

NGSS.HS-PS1-1

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