16.1 Periodic Trends (EXP)

Periodic Table of Elements is arranged by

• atomic mass
• atomic number
• valence electrons
• number of isotopes

These are found on the Periodic Table.

• Compounds
• Elements
• Mixtures

The horizontal (side to side) rows in the Periodic Table are called

• groups

• families

• periods

• atomic numbers

The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

Which of these element is the least metallic in Period 3?

• Potassium (K)
• Carbon (C)
• Sulfur (S)
• Neon (Ne)

Atoms with similar chemical properties are most likely located...

• in the same period.
• in the same group.
• in different periods.
• to the right and left of each other.

Which elements have the most similar chemical properties?

• K and Na
• K and Ca
• K and Cl
• K and S

The period for Bromine is ___________.

• 3
• 2
• 4

Which of the following is not a property of metals?

• brittle
• malleable
• shiny

• conducts electricity

How many valence electrons are there in an element in group V of the periodic table?

• 5

• 15

• 7

• 8