Answers: 2
Chemistry, 22.06.2019 06:00
An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have
Answers: 2
Chemistry, 22.06.2019 18:30
The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false
Answers: 1
Chemistry, 22.06.2019 22:00
Choose all the answers that apply. fluorine (f) has an atomic number of 9 and an atomic weight of 18.99. fluorine has a. 9 protons b. 10 neutrons c. 18 electrons d. an atomic mass of 19 e. at least one isotope
Answers: 1
Substances that easily mix and completely fill their containers are called a. liquids b. gases c...
Spanish, 23.01.2021 01:00
Mathematics, 23.01.2021 01:00
English, 23.01.2021 01:00
English, 23.01.2021 01:00
Mathematics, 23.01.2021 01:00
Mathematics, 23.01.2021 01:00
Social Studies, 23.01.2021 01:00
Mathematics, 23.01.2021 01:00