Muchumuchu Muchumuchu

04-01-2020
Chemistry

contestada

The symbol Ca-40 denotes that

A. a calcium atom contains 40 protons
B. a calcium atom contains 40 electrons
C. a calcium atom contains 40 neutrons
D. a calcium atom has a mass number of 40

Respuesta :

theofficialkoolplug theofficialkoolplug

04-01-2020

D. A calcium atom has mass of 40

Answer Link

Otras preguntas

Which scientific term is defined as "the ability to use an applied force in order to move an object"? A.work B.motion C.kinetics D.energy

s the underlined word a direct object or an indirect object? bring yourself an apple to eat. underlined word: yourself a. direct object b. indirect object

how do you graph -lxl +1 ?

Which is most likely an acquired trait in horses? A. color of fur B. length of ears C. ability to run D. a slight limp

how many animal cells would fit inside a plant cell

what effect does caffeine have on the sleep cycle

10. what is at the base of all ecological pyramids?

1. Which words make up the adjective phrase in this sentence? Snow throughout April was quite a surprise this year. A. quite a surprise B. this year C. Sno

which of these would be a typical aesthetic impact of a piece of gothic writing? a. contentment b. hope c. terror d. inspiration

what effect does caffeine have on the sleep cycle