subject
Chemistry, 27.01.2021 21:40 des12410

What is the charge of an atom with 21 protons and 20 electrons?

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 10:30
Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?
Answers: 3
question
Chemistry, 22.06.2019 10:30
Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space
Answers: 2
question
Chemistry, 22.06.2019 16:40
Let the ed50 of a recreational drug be defined as the amount required for 50% of a test group to feel high or get a buzz. if the ed50 value of ethanol is 470 mg/kg body mass, what dose would a 70 kg party goer need to quickly consume in order to have a 50% chance of getting a buzz? 235 mg 470 mg 32,900 mg 35,000,000 mg
Answers: 3
question
Chemistry, 22.06.2019 17:30
What type of organic molecule comprises the majority of a potato?
Answers: 1
You know the right answer?
What is the charge of an atom with 21 protons and 20 electrons?...
Questions
question
Business, 26.08.2021 14:00
question
English, 26.08.2021 14:00
question
Mathematics, 26.08.2021 14:00
question
Spanish, 26.08.2021 14:00
Questions on the website: 13722361