Which of the following is NOT an alkali metal?

What is the atomic number of lithium?

True or False: Alkali metals are so soft they can be cut with a knife?

All alkali metals have ...... electrons in their outermost shell.

Alkali are so reactive to air. They are generally stored in ......

Alkali earth metals such as Magnesium produce ....... when they are burned. That's why it's used in fireworks.

Alkali earth metals are found in which group of the periodic table?

Which of the following is NOT an alkali earth metal?

This type of element appears silvery and very reactive when exposed to water.

Clothes iron uses the element called 'iron.' Iron is a good conductor of heat. This element is an example of...

This group of element is not as reactive as the alkali metals.

They appear shiny & silvery-white.

Copper is used to make electric wires. Electric conductivity is a property of...