wdymRachel9269 wdymRachel9269

13-12-2017
Chemistry

contestada

If an atom contains 10 electrons, 10 protons, 12 neutrons, what's the atomic weight?

Respuesta :

onething22 onething22

17-08-2019

Answer:

20

Explanation:

protons and nucleons have an atomic weight of 1

electrons carry no weight

hence the weight of the atom is

10 + 10 = 20

Answer Link

Otras preguntas

What was Edward I's most significant accomplishment? a. He divided the court system. b. He established the House of Lords and the House of Commons. c. He unifie

a scale drawing of a square has a side length of 2 cm. The drawing has a scale of 1cm : 8ft. Find the actual perimeter and area of the square

What is produced by the interstitial cells of the testes?

The child uses the parent as a base from which to explore her world in which attachment style?

you are recreating a scale drawing at a different scale. The orginal scale is 1 cm : 4m The new scale is 1cm : 2cm. In the original drawing, the length of a se

Which acid and base react to form water and sodium sulfate?

Why is job security of such importance to workers?

Plssss helpA bag contains 6 red marbles, 10 white marbles, and 6 blue marbles. You draw 3 marbles out at random, without replacement. A) What is the probability

The volume of a cylinder is 72 TT cm3. If the radius is 3 cm, what is the height of the cylinder?

Express the shaded area as a fraction, a decimal, and a percent of the whole. please help me