The electrons are what determines the energy level and reaction of the valence shell, hope it helps ❤️✌️
B. electrons have a negative electrical charge
A Glass pipet
Explanation:
The best laboratory equipment to measure out exactly 4.0mL of a liquid is a pipet.
The pipet is a glass tube with a suction as tthe top.
- It is designed for measuring small units of volume accurately.
- Once dipped into the fluid, the suction is pressed and the liquid gushes in.
- When released, the liquid fills the tube.
- The suction can be pressed at regular intervals to release the liquid till the desired volume is attained.
learn more:
Volume brainly.com/question/10691070
#learnwithBrainly
Except for the Middle East :)