Electrons and the Periodic Table

When electrons move to a higher energy level, they are in a/an ___________.

• Photon

• Ground State

• Excited State

• Energy

Which of the following elements is a noble gas?

• Oxygen

• Argon

• Nitrogen

• Hydrogen

how many electrons fit into a P orbital

• 2

• 3

• 6

• 4

What is the atomic number of Carbon?

• 6

• 8

• 12

• 14

Which of the following elements has the highest electronegativity?

• Sodium

• Chlorine

• Fluorine

• Oxygen

How many valence electrons does an atom of Nitrogen have?

• 3

• 5

• 7

• 8

Which of the following is a property of metals?

• Brittle

• Poor conductor of electricity

• Malleable

• Non-lustrous

What is the electron configuration of Neon?

Which element is likely to form a +2 ion?

• Sodium

• Magnesium

• Aluminum

• Silicon

What is the main reason for the periodic trend of increasing atomic radius down a group?

• Increase in the number of protons

• Increase in number of energy levels

• Decrease in ionization energy

• Increase in electronegativity