Can someone just tell me if these are correct. thanks!
...
Answers: 1
Chemistry, 21.06.2019 14:30
Which statement about sound is not true? a. air particles travel with sound waves. b. sound waves cannot travel through a vacuum. c. sound waves exist even if no one hears them. d. air particles vibrate along the path of a sound wave.
Answers: 1
Chemistry, 22.06.2019 03:00
Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes
Answers: 2
Chemistry, 22.06.2019 05:30
Which other elements contain the same number of outer electrons as sodium
Answers: 3
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
Arts, 29.09.2019 15:30
Social Studies, 29.09.2019 15:30
History, 29.09.2019 15:30
Spanish, 29.09.2019 15:30
Mathematics, 29.09.2019 15:30
Social Studies, 29.09.2019 15:30
Mathematics, 29.09.2019 15:30
Mathematics, 29.09.2019 15:30
Business, 29.09.2019 15:30