Electron Quiz and periodic properties

What is the electron configuration of Carbon?

Which of the following elements has the highest electronegativity?

• Fluorine

• Chlorine

• Bromine

• Iodine

What is the general trend of atomic radius across a period from left to right?

• Increases

• Decreases

• Remains constant

• First increases, then decreases

Which of the following elements has the lowest first ionization energy?

• Sodium

• Magnesium

• Aluminum

• Silicon

How many valence electrons does an atom of sulfur have?

• 6

• 16

• 2

• 8

What is the electron configuration of a potassium ion (K+)?

Which of the following trends increases down a group in the periodic table?

• Electronegativity

• Ionization Energy

• Atomic Radius

• Electron Affinity

What is the correct order of elements based on increasing atomic radius?

• Li > Be > B > C

• C > B > Be > Li

• Be > Li > C > B

• B > Be > C > Li

• Halogens

• Alkali metals

• Alkaline earth metals

• Noble gases

What is the electron configuration of the valence shell for alkaline earth metals?