Write the symbol for every chemical element that has atomic number less than 75 and atomic mass greater than 173.5 u.

1 answer:

8 0

Following are the chemical elements that have 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

You might be interested in

A mixture of H2 and water vapor is present in a closed vessel at 20°C. The total pressure of the system is 755.0 mmHg.

sukhopar [10]

Answer:

737.5mmHg

Explanation:

7 0

3 years ago

What is energy? (in your own words but keep it short)

babymother [125]

Answer:

The capacity for doing work. It may exist in potential, kinetic, thermal, electrical, chemical, nuclear, etc.

6 0

2 years ago

When polluted water runs off into rivers and groundwater, it reduces the amount

ankoles [38]

Answer:

Sewage pollutes our waters with pathogens, excess nutrients, heavy metals, and other toxins. It kills aquatic life and creates algal blooms that can suffocate fisheries. Sewage carries pathogens that can end up in our drinking water supplies and swimming areas.

Missing:

Explanation:

8 0

3 years ago

An endothermic process is one in which heat is ________ from the surroundings.1) gained 2.) increased 3.) lost 4.) repelled

kramer

The answer is 1) gained

8 0

3 years ago

Why does a plant have a cell wall and a cell membrane? ASAP Pls have to turn it in at 11:00pm

Aleonysh [2.5K]

Answer:

The cell wall surrounds the plasma membrane and provides the cell tensile strength and protection. ... The cell wall surrounds the plasma membrane of plant cells and provides tensile strength and protection against mechanical and osmotic stress.

hope It Helps U

Please Mark me As brainlist

4 0

3 years ago