Chemistry, 05.07.2019 00:00, anrs14

Asingle atom of an element had 21 neutrons, and 20 electrons, and 20 protons which element is it ? k. zr. ca. sc

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 16:30, TheRealKodakBlack

What is a scientific theory? a. a scientist's guess about how something works b. the results of an experiment obtained using the scientific method c. a proven fact that will never change d. an idea that is backed by data from many sources

Answers: 2

continue

Chemistry, 22.06.2019 09:00, 2024cynthiatercero

Which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology

Answers: 3

continue

Chemistry, 23.06.2019 01:00, stefaniethibodeaux

Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.

Answers: 1

continue

Chemistry, 23.06.2019 05:00, mprjug6

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 4.20 mol fe and 6.70 mol nio(oh) react?

Answers: 3

continue

Do you know the correct answer?

Asingle atom of an element had 21 neutrons, and 20 electrons, and 20 protons which element is it ?...