3 years ago

An atom with 19 protons and 18 neutrons is a(n)

Chemistry

1 answer:

Eddi Din [679]3 years ago

8 0

Answer:

Explanation:

The number of protons indicates the element so we know it's potassium. To get the number of neutrons you subtract the number of protons (19) from the mass number which for potassium is 39.

39-19=20 neutrons

Because you have 18 neutrons then yours would be an isotope.

You might be interested in

Jill graphs the speed of a model train that is travelling at a speed of 15 kilometers per hour. Which graph shows the speed of t

Tasya [4]

Answer:c

Explanation:

8 0

2 years ago

7. If all of the forces on an object are balanced, the object?

dolphi86 [110]

Answer:

Is balanced

Explanation:

4 0

3 years ago

I need some help with this. I’m so confused on what to do and an explanation to what the answer is and why would be ideal.

Anvisha [2.4K]

Answer:

who do I submit my questions to there is no submit or done sign I download this app for help not to waste my money and time. I need help with math please don't let us start off on the wrong foot

8 0

2 years ago

What is the element name for 2,2

Strike441 [17]

Answer:

Helium

Explanation:

6 0

2 years ago

Read 2 more answers

Countercurrent Flow

Nikitich [7]

Answer: All options (I, II, III, IV, V)

Explanation: The answer is all options because they never reach equilibrium or intersect at a region as the both decrease at the same rate.

7 0

1 year ago