nessm6214 nessm6214
  • 04-03-2022
  • Chemistry
contestada

What is the number of protons of an element with a mass number of 100 and a
neutron number of 40?
A.100
B.40
C.0
D.60

Respuesta :

ROYADE
ROYADE ROYADE
  • 05-03-2022

Answer:

D-60

Explanation:

Mass number =Proton number(P) + Neutron number

100=P+40

collect like terms

P=100-40

P=60

Answer Link

Otras preguntas

HELP ASAP I NEED HELP
BEST ANSWER GETS BRAINLIEST!!! Given the following system of equations and its graph below, what can be determined about the slopes and y-intercepts of the syst
The volume of a sphere of radius 3 cm is (A) 9x cm (B) 18.t cm (C) 27 cm (D) 36 cm
A cost accountant is developing a regression model to predict the total cost of producing a batch of printed circuit boards as a function of batch size (the num
can someone pls pls help me ?
what is the vertex of this quadratic
Enter an inequality that represents the phrase the sum of 1 and y is greater than or equal to y=5
Write down the percentage multiplier used to decrease an amount by 45%
Graph y = -2 – 6. could someone graph this on a khan academy number line?
Write the chemical reaction happening in self heating cans …..