logan5395
logan5395 logan5395
  • 02-09-2020
  • Chemistry
contestada

3. How many protons do the following have?
Calcium
Gold
Copper
Iron

Respuesta :

t99dolan
t99dolan t99dolan
  • 02-09-2020

Answer:

calcium=20

gold=79

copper=29

iron=26

Explanation:

Answer Link

Otras preguntas

Which of the following is NOT true of dry lands? Areas too dry for farming cover about 20 percent of the Earth's surface Deserts generally lack sufficient water
Why is data modeling important in a database development process?
the intensity, I, of light varies inversely as the square of the distance, D2 , from the light source. If I is 150 units when D is 6 meters, find a distance whe
How do we interpret a text? Give me example(s)
1. Dan's employee benefits include health care coverage. His employer covers 78% of the cost, which is a contribution of $1,599.78 towards the total coverage am
2) Seismologists studying seismic waves and their behavior as they pass through parts of the earth are able to determine: a) densities of rock material b) thick
Why is there a threshold for pair production?
A day on a distant planet observed orbiting a nearby star is 72.5 hours. Also, a year on the planet lasts 48.9 Earth days. Calculate the average angular speed o
tavon has a gift card for $85 that loses $4 for each 30-day period it is not used. he has another gift card for $75 that loses $3.50 for each 30-day period it i
15. (1) What is an island arc? a. A large wooden boat that ferries animals from one island chain to another. b. A crescent shaped volcanic mountain chain create