tiffanynicole1999 tiffanynicole1999

06-04-2018
Chemistry

contestada

Which symbol correctly represents an element (D) whose atoms contain 15 protons and 20 neutrons?

Respuesta :

olabisioladime olabisioladime

06-04-2018

35/15 D.
A numeric in the upper left corner of chemical symbol stated for the atomic mass. The atomic mass is almost equal to a sum of protons and neutrons because electrons are not weighted much.

Answer Link

30-10-2018

35/15D i took the test

Answer Link

Otras preguntas

When fireflies give off light a reaction takes place. Is this an example of endothermic or exothermic reaction?.

Explain Three Phases of Channel Member Performance Audit 2.Pereiodic Evaluation of the Channel Members' Performance Against Criteria - To evaluate the channel m

CNSA made history in 2019 by landing a rover on the far side of the moon. CNSA is China's space agency.

What is 1/2 / 2/3 in simplest form

The hydrogen generated in this lab was a product of the reaction between magnesium and hydrochloric acid. Which of these reactants is the limiting reactant?.

Apple Co. bought a car with an estimated life of five years for $12,000. The residual value of the car is $2,000. What will be the amount of depreciation expens

When the rate of reaction of bleach and dye are studied which reactant is in excess?.

Choose the best spanish word to complete the sentence. a mamÃ¡ le comprÃ© un reloj para el __________________. fiesta dÃa del padre dÃa de la madre dÃa de la

Why do students in your classroom need explicit, systematic instruction in identifying syllable types?.

Amazonians count their tenure by their number of peaks. How many peaks has amazon’s ceo of worldwide stores, doug herrington, been at amazon?.