subject
Chemistry, 07.12.2020 08:30 nagwaelbadawi

Which of the following are cations? Select all that apply. Mg2+

NH4+

He

Cl-

O2-

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 03:30
Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.
Answers: 2
question
Chemistry, 22.06.2019 04:00
14. many depressants reduce small muscle control, making it harder for a. you to steer b. your mind to consider complex problems c. the eye to scan, focus, or stay still d. the kidneys to filter alcohol out of the bloodstream
Answers: 3
question
Chemistry, 22.06.2019 10:00
Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
Answers: 1
question
Chemistry, 23.06.2019 04:40
6) (a) calculate the absorbance of the solution if its concentration is 0.0278 m and its molar extinction coefficient is 35.9 l/(mol cm). the depth of the cell is 5 mm. (b) what is the %t? (7) calculate the absorbance of the solution if the transmitted light intensity is 70% of the initial light beam intensity
Answers: 1
You know the right answer?
Which of the following are cations? Select all that apply. Mg2+

NH4+

He
Questions
question
Mathematics, 15.04.2021 19:50
question
Mathematics, 15.04.2021 19:50
question
Mathematics, 15.04.2021 19:50
Questions on the website: 13722367