Unit 3, MHS: Periodic Table Trends

How would you change C⁺² to C^-2?

• Add four protons.

• Add four electrons.

• Remove four electrons.

• Nothing, they are the same.

What term best describes these notations? C⁺², C^-2

• Element

• Isotope

• Ion

• Element

What term best describes these notations? Li-6, Li-7

• Element

• Isotope

• Ion

• Element

These are isotopes of carbon: C-12 and C-14

What makes them different?

• They are different elements.

• They have the same number of protons, same number of neutrons.

• They have the same number of protons, different number of neutrons.

• They have different number of protons, same number of neutrons.

• Nothing, they are the same.

What term best describes electronegativity?

• the attraction between oppositely charged particles

• a measure of the distance between the nucleus and the outermost electron

• a measure of the difficulty in removing an electron from an atom

• the tendency of an atom to attract electrons toward itself

Tags

NGSS.HS-PS1-2

What term best describes atomic radius (size)?

• the attraction between oppositely charged particles

• a measure of the distance between the nucleus and the outermost electron

• a measure of the difficulty in removing an electron from an atom

• the tendency of an atom to attract electrons toward itself

What term best describes ionization energy?

• the attraction between oppositely charged particles

• a measure of the distance between the nucleus and the outermost electron

• a measure of the difficulty in removing an electron from an atom

• the tendency of an atom to attract electrons toward itself

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What term best describes coulombic attraction?

• the attraction between oppositely charged particles

• a measure of the distance between the nucleus and the outermost electron

• a measure of the difficulty in removing an electron from an atom

• the tendency of an atom to attract electrons toward itself

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

What element would it be easiest to remove an electron from?

• Li, Lithium

• Na, Sodium

• K, Potassium

• Rb, Rubidium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What element does X represent in this notation? ₂₆⁵⁵X

• Cs, Cesium

• Fe, Iron

Tags

NGSS.HS-PS1-1