Which family in the periodic table has metals that are usually harder than other metals? alkali metals alkaline earth metals lanthanide series transition metals

The correct answer is "Alkaline earth metals".

Explanation:

Alkaline earth metals are a group of elements that are located in group 2 of the periodic table. They are harder than alkaline metals, have brightness and are good electrical conductors. Hardness is the degree of scratch resistance a material offers.

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the dependant variable is spilled water

the independent is the heat

question: ray weighs 100 kilograms, his wrestling partner, bobby, weighs 50 kilograms. if ray moves at 4 m s , how fast will bobby have to run at him to apply an equal amount of kinetic energy?

answer: 8 m/s he needs to run twice as fast to keep up so he has some work to do

explanation:   if the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

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(jacemorris04)