phillipsl21 phillipsl21

18-12-2019
Chemistry

contestada

Use the table to determine the mass number of element A.

Use the table to determine the mass number of element A class=

Respuesta :

cortysousa cortysousa

18-12-2019

# of protons + # of neutrons = mass
9 + 10 = 19
the answer is D

Answer Link

Otras preguntas

Which structure surrounds the proximal and distal tubules?.

If the principle quantum number (n) = 3, the the total magnetic quantum numbers (m) will be: (a) 3 (b) 9 (c) 6 (d) 12

What is the value of each these prefix question? ^ - * 3 3 * 4 2 5

Sheldon has been extremely afraid of cats since he was scratched as a 5-year-old. whenever he sees a cat, he remembers the time he was scratched across his face

When Leonard was quite young, his parents praised his nurturing behavior. As he became older, nurturing became a key part of his personality. This personality c

a paises europeos dieron expedición maritimas

A teacher has a bag of marbles. there are 10 red, 10 blue, 8 green, 8 purple, and 8 yellow marbles in the bag. as the students enter the classroom, they draw a

-Ready Number of Crystals PROTNO 14 12. 10 0-1 2-3 4-5 6-7 8-9 Mass (grams) Which statement must be true? O The largest crystal has a mass of 9 grams O The mean

The four lines observed in the visible emission spectrum of hydrogen gas tell us that: a. The hydrogen molecules they came from have the formula H4 b. Only cert

When an infrared heater is switched on, a person a few metres away begins to warm up. Explain what has moved from the heater to the person and how this occurred