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write the symbol for every chemical element that has atomic number less than 74 and atomic mass greater than 173.8u

Respuesta :

btsash
You should be able to locate them on the periodic table as long as you know which part the atomic number is and which part the atomic mass is.

Lutetium=Lu

Hafnium=Hf

Tantalum=Ta

Tungsten=W

What is an element?

A chemical element is a substance that cannot be further broken down by any chemical reaction.

Following are the chemical elements that have an atomic mass greater than 173.5 u and atomic number less than 75.

1.  Lutetium

                 Atomic Number  =  71

                 Atomic Mass      =  174.97 u

2.  Hafnium

                 Atomic Number  =  72

                 Atomic Mass      =  178.49 u

3.  Tantalum

                 Atomic Number  =  73

                 Atomic Mass      =  180.95 u

4. Tungsten

                 Atomic Number  =  74

                 Atomic Mass      =  183.85 u

Learn more about elements here:

https://brainly.com/question/1896898

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