jaydenjohnson9377 jaydenjohnson9377

01-04-2018
Chemistry

contestada

How many neutrons are in an atom with each set of atomic numbers and mass numbers?

Respuesta :

01-04-2018

Do mass number - atomic number to get the neutrons.
for example.
Heliums mass number is 4.
Atomic number of 2
4-2 = 2 neutrons.

Answer Link

Otras preguntas

Identify the verbal and its functions in the sentence. could you help me find my /running/shoes.

please help me name 5 each of producers, primary consumers (which eat only plants), and top predators (which eat only meat, or meat and plants).

a motorcyclist traveled a distance of 120 miles in 2 hours. traveling at the same speed how far would this motorcyclist travel in 5 hours?

RIGHT ANSWER ONLY! What is the probability that a point chosen inside the large rectangle is not in the shaded region? 42% 58% 72% 84%

What is an estimate of the equation 6n+3=2? Use a table

What role do symbols play in a text? For what purpose do you think a poet uses symbols?

This structure is the physical location at which the coordination of information and resources to support incident management (on-scene operations) activities n

What was the main reason for Hitler's invasion of the Soviet Union?

A box is 70 cm long. Which of these is closest to the length of this box in feet? (1 inch = 2.54 cm) 0.21 foot 0.49 foot 1.64 feet 2.30 feet

22. Four years ago, Samantha was three times as old as Danny. Four years fromnow, Samantha will be only twice as old as Danny. How old are they now?