Periodic Trends

Question 1

Atomic Radius _____ moving down a group.

Accepted Answer

Increases

Question 2

Electron Affinity ______ moving down a group.

Accepted Answer

Decreases

Question 3

Ionization Energy ______ moving down a group.

Accepted Answer

Increases

Question 4

Atomic Radius ______ across a period (Left to right).

Accepted Answer

Decreases

Question 5

Electron Affinity ______ across a period (Left to right).

Accepted Answer

Increases

Question 6

Ionization Energy _____ across a period (Left to right).

Accepted Answer

Increases

Question 7

Metallic character ____ from bottom left to right top corner.

Accepted Answer

Decreases

Question 8

Mass number

Accepted Answer

Protons + neutrons Atomic number + neutrons

Question 9

Neutrons

Accepted Answer

Mass number - atomic number

Question 10

Electron number is equal to ______.

Accepted Answer

Element number

Question 11

Proton number is equal to ______.

Accepted Answer

Atomic number

Question 12

Ionization Energy

Accepted Answer

The energy needed to remove an electron from an atom or ion in its gaseous state, measured in kJ/mol.

Question 13

Atomic Radius

Accepted Answer

The distance from the nucleus to the outermost edge of the electron cloud.

Question 14

Electron Affinity

Accepted Answer

The change in energy that occurs when an electron is added to a neutral atom in the gaseous state, measured in kJ/mol.

Question 15

Rows are also called ______.

Accepted Answer

Periods

Question 16

Columns are also called _______.

Accepted Answer

Groups

Question 17

Ionic radius ______ going from top to bottom.

Accepted Answer

Increases

Question 18

Ionic radius _______ across a period.

Accepted Answer

Decreases

Alle Karten