jgsdjfkklfj7025 jgsdjfkklfj7025

01-06-2018
Chemistry

contestada

Potassium has a mass number of 40 and an atomic number of 19. how many protons does it have?

Respuesta :

01-06-2018

19. The atomic number is the same as protons and electrons unless it have a - or a + charge the electrons are going to change

Answer Link

Otras preguntas

WILL GIVE BRAINILEST TO WHOEVER ANSWERS CORRECTLY Image of a timeline with four entries. Going from left to right, the first entry is labeled A, the second ent

Which of the following samples contains the greatest number of atoms? a. 9 mole of CO2 b. 10 moles of Xe c. 11 moles of N2O d. 12 moles of CO

Imagine that you are an adviser to President Truman. You must persuade him to use or not to use the atomic bomb against Japan. Which position do you take? How d

ASAP WILL MARK BRAINLIEST Tomorrow we will go on a field trip. what is the adverb in this sentence

What is the slope intercept form of -8x+2y=4

How your life would be affected if there was no more electricity?

Patrick and his brother each start a savings account. Patrick begins with $200 and plans to deposit an additional $25 per month. His brother begins with $150 an

What effect can changing a story's order of events or pacing have?

Question 6 2 pts seized total control of Italy and vowed to return the greatness of the Roman Empire. Franklin D. Roosevelt Benito Mussolini Joseph Stalin Adolf

Which goal did the romantic writers have?