elizabethallona elizabethallona

02-01-2019
Chemistry

contestada

How many neutrons does an element have if its atomic number is 55 and its mass number is 150?

Respuesta :

02-01-2019

With an atomic number of 55, that means there are 55 protons. Because electrons do not count towards atomic weight, the element would have 150-55 neutrons. So, 95 neutrons.

Answer Link

02-01-2019

95 neutrons hope this helps

Answer Link

Otras preguntas

The question is the link

Twice the difference of a number and 2 is added to 6 and the result is 4 more than 3 times the number.

A standard six-sided die is rolled. What is the probability of rolling a number greater than 5 ? Express your answer as a simplified fraction or a decimal round

Why is freedom of speech an important right??

I need help really fast it is about Monarchy

3. The Earth system consists of the sun and five main_____.

How many grams are in 8 moles of AI?

4/6+3 Pls help plsssss 68 points

Which government agency would issue this poster? (5 points) A poster shows a young girl seated on a pile of rubble, holding blue flowers while wearing a dark to

Malignant tumors are sometimes treated with drugs that halt mitosis, and thus stop the production of new cancer cells. Two such drugs, vincristine sulfate and v