Periodic Table Organization

The first periodic table was developed by ______ in 1871.

Tags

Understanding

Match the type of element to its characteritics

Metal​ (a)  

Non-Metal​ (b)  

Metaloid​ (c)  

• Good conductor; malleable and ductile
• Poor conductor; not ductile or malleable
• Different characteristics; depends on conditions

Which of the following elements is a noble gas?

• Helium

• Sodium

• Chlorine

• Iron

Tags

Understanding

The periodic law states that when elements are arranged in order of increasing ______, there is a periodic repetition of their physical and chemical properties.

Tags

Understanding

Drag the indicated boxes to the proper area

Representative elements​ ​ ​ (a)  

Transition elements​ (b)  

Inner Transition elements​ ​ (c)  

• Located on the ends of the periodic table
• Located in the middle of the periodic table
• Located on the bottom two rows

Which of the following is a property of metals?

• Good conductor of heat and electricity

• Brittle

• Low luster

• Poor conductor of heat

Tags

Understanding

Which group of elements is known for having one valence electron and being highly reactive?

• Alkali Metals

• Noble Gases

• Halogens

• Transition Metals

Tags

Applying

The ______ series includes all radioactive metals and is part of period 7.

Tags

Applying

Elements in Group 17 are known as ______ and have seven valence electrons.

Tags

Applying