Chapter 2.5 Periodic Table

Question 1

periodic table

Answer 1

The arrangements of elements in order of their atomic number, with elements having similar properties placed in vertical columns

Question 2

The horizontal rows

Answer 2

PERIODS

Question 3

Vertical columns

Answer 3

GROUPS : ( with elements containing similar physical and chemical properties)

Question 4

METALLOIDS

Answer 4

lie along the line of that separates metals and metalloid

B SI AS GE SB TE