Chemistry, 26.09.2019 07:30 justincsh7238

Asingle atom of an element has 21 neutrons, 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 20:40, vpowell5371

Astudent made the lewis dot diagram of a compound shown. what is the error in the lewis dot diagram? a)an o atom should transfer all of its six electrons to mg because the formula is mgo b) both electrons of mg should be transferred to one o adam because the formula is mgo c) the electrons should be transferred from each o add him to capital mg because mg has fewer electrons d) the number of dots around mg should be four because it has to transfer two electrons to each o

Answers: 1

continue

Chemistry, 22.06.2019 10:00, Cythina2007

The reactions shown here can be combined to make the overall reaction c(s) + h2o(g) ⇌ co(g) + h2(g) by reversing some and/or dividing all the coefficients by a number. a. c(s) + o2(g) → co2(g) k=1.363×10^69 b. 2 h2(g) + o2(g) → 2 h2o(g) k=1.389×10^80 c. 2co(g) + o2 (g) → 2 co2(g) k=1.477×10^90

Answers: 1

continue

Chemistry, 22.06.2019 11:00, justarando

Which element would mostly likely have an electron affinity measuring closest to zero

Answers: 3

continue

Chemistry, 23.06.2019 02:00, matthewsorrow02

What is the mass of 0.750 mole of aluminum oxide, al2o3?

Answers: 1

continue

You know the right answer?

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