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

Critically discuss three ways in which physical activities could improve your quality of life

When a product price increases, why does the substitution effect encourage a consumer to buy less of a product?

Choose one of the following prompts for your argument: Most students, because of their age, have less power than others in society. Write an argument about the

POSITIVE TONE WORDS hilarious admiring adoring affectionate hopeful humorous Interested Introspective Jovial appreciative approving bemused benevolent blithe ca

What is the most common presenting objective symptom of a urinary tract infection in older adults, especially in those with dementia?

What are the quartiles of the data

Actual sales volume for a period is 5,000 units. budgeted sales volume is 4,500. actual selling price per unit is $15 and budgeted price per unit is $15. 75. th

According to freud’s view of personality structure, the "executive" system, the _______, seeks to gratify the impulses of the __________ in more acceptable ways

According to sociologist thomas gieryn, why is it difficult for lay people to assess the credibility of scientific claims?.

Un a supermarket, a vendor's restocking the shelves every monday morning is an example of?