Justlearning45 Justlearning45

23-06-2017
Biology

contestada

how many neutrons does element X have if it's atomic number is 157

Respuesta :

23-06-2017

101 Neutrons

The number of neutrons in element X may be calculated by subtracting the number of protons ( 56 ) from the mass number ( 157 ).

157 - 56 = 101

Answer Link

Otras preguntas

Read the excerpt below from the poem “I Knew a Woman” by Theodore Roethke and answer the question that follows. Let seed be grass, and grass turn into hay: I’m

Which big idea in biology revolves around the idea that all life forms on earth are connected and linked to one another as well as the land, water,and air aroun

Eloise is planning on retiring soon. When she first began working she invested $1500 in a retirement fund. The percent increase on her investment is 95%. How mu

please help and explain. Please hurry the question is on the picture

To Take as a prisoner in battle ? Word from 7 letters

When describing a community a biologist would discuss every

Is the verb in the sentence in the active voice or the passive voice? The enthusiastic fans cheered near the finish line. a. passive voice b. active voice

A tree farm sells trees based on height in increments of 10 feet. Which graph would best show the current stock of trees? bar graph line graph histogram scatter

Which city was a capital of Song China? Shanghai Beijing Changan Hangzhou

A funnel-shaped low pressure closure